This paper investigates the life, inventions, and enduring legacy of Badiʿ al-Zaman Abū al-ʿIzz ibn Ismāʿīl ibn al-Razzāz al-Jazarī, a pioneering mechanical engineer of the 12th–13th centuries whose work exemplifies the intellectual and technological achievements of the Islamic Golden Age. Focusing on his seminal manuscript, The Book of Knowledge of Ingenious Mechanical Devices, the study explores Al-Jazarī’s innovative contributions to automation, hydraulics, and mechanical design. By analyzing key inventions—including complex water clocks, automata, and water-raising machines—this research highlights the sophisticated engineering principles embedded in his work, many of which prefigure concepts in modern robotics and cybernetics. The paper also situates Al-Jazarī within the broader historical and cultural context of medieval Islamic science and reflects on the interdisciplinary nature of his legacy, emphasizing its relevance to contemporary engineering, education, and design ethics. Through a critical examination of both primary texts and contemporary scholarship, this study reasserts Al-Jazarī’s rightful place as a visionary precursor to modern mechanical engineering and robotics.
1. Introduction
The history of engineering is punctuated by the contributions of remarkable individuals whose ingenuity transcended the limits of their time. Among these, Badiʿ al-Zaman Abū al-ʿIzz ibn Ismāʿīl ibn al-Razzāz al-Jazarī—commonly known as Al-Jazarī—stands out as a pioneering figure in mechanical engineering [1]. Serving as the chief engineer at the Artuqid court in Diyarbakır (in present-day Turkey) during the late 12th and early 13th century, Al-Jazarī authored one of the most influential technological manuscripts of the medieval world: Kitāb fī maʿrifat al-ḥiyal al-handasiyya (The Book of Knowledge of Ingenious Mechanical Devices) [2]. This richly illustrated compendium (completed in 1206) not only catalogued a wide array of mechanical inventions but also offered a systematic methodology for design and construction, demonstrating a level of engineering sophistication that was centuries ahead of its time [2], [3], [4]. While often celebrated for the aesthetic brilliance of his devices, Al-Jazarī’s true genius lies in his integration of scientific principles with practical function and artistic vision. His work exemplifies the intellectual spirit of the Islamic Golden Age—a period marked by intense scholarly activity and groundbreaking contributions to science, mathematics, and technology [5].
This paper examines the life, work, and legacy of Al-Jazarī, with particular focus on his mechanical inventions and their lasting impact on both historical and modern engineering practices. Through detailed analysis of his major inventions—such as programmable water clocks, humanoid automata, and advanced hydraulic machines—we highlight Al-Jazarī’s role as a forerunner of modern robotics and automation [6], [7], [8]. In addition, we explore the engineering principles he employed (including early uses of crankshafts, feedback control, and mechanical programmability) and draw critical comparisons between Al-Jazarī’s designs and contemporary concepts in robotics, automation, control systems, and cybernetics. Finally, by situating Al-Jazarī within both his historical milieu and the modern context, we demonstrate how his interdisciplinary legacy continues to inspire and inform today’s engineering and educational endeavors.
2. Historical Context and Biography
2.1. Historical and Cultural Context
The remarkable achievements of Al-Jazarī can only be fully understood within the vibrant intellectual and cultural framework of the Islamic Golden Age (8th–14th centuries). During this era, the Islamic world emerged as a global epicenter of scientific inquiry, technological innovation, and cross-cultural knowledge exchange. Major urban centers such as Baghdad, Damascus, Cairo, and Cordoba flourished as cosmopolitan hubs of learning, where scholars from diverse religious and ethnic backgrounds engaged in collaborative scholarship and translation efforts.
One of the most significant intellectual developments of this period was the Graeco-Arabic translation movement, exemplified by institutions such as the House of Wisdom (Bayt al-Ḥikma) in Baghdad. Here, foundational texts from Greek, Persian, Indian, and Roman civilizations were not only translated into Arabic but also critically evaluated, commented upon, and expanded through original research [9]. These translations laid the groundwork for breakthroughs in mathematics, astronomy, medicine, and especially mechanical engineering.
The integration of theoretical knowledge with practical craftsmanship was a hallmark of Islamic science. Engineering was regarded not merely as a utilitarian discipline but as a harmonious fusion of science, art, and philosophy. Mechanical devices were designed to educate, delight, and serve, reflecting a worldview in which beauty and utility were mutually reinforcing [10], [11]. Within this intellectual milieu, Al-Jazarī distinguished himself as a mechanical genius whose devices embodied both scientific rigor and aesthetic refinement.
2.2. Al-Jazarī’s Life and Legacy
Al-Jazarī was born circa 1136 CE in Jazīrat ibn ʿUmar (modern-day Cizre, southeastern Turkey), a region situated in Upper Mesopotamia. His title, al-Jazarī, derives from his place of origin. Although little is known about his early life, historical accounts confirm that he served for over 25 years as chief engineer (amir al-muhandisīn) at the court of the Artuqid dynasty in Amid (modern Diyarbakır) [12].
Under the patronage of the Artuqid ruler Nasir al-Dīn Maḥmūd, Al-Jazarī was provided with both material resources and an intellectually stimulating environment in which to pursue his mechanical experiments. The Artuqid court mirrored the broader Islamic culture of scientific curiosity and tolerance, encouraging collaborations between engineers, artisans, and scholars [13].
Al-Jazarī built upon the earlier works of Banū Mūsā (9th century) and Thābit ibn Qurra, whose treatises on automata and hydraulic devices circulated widely. However, Al-Jazarī advanced the field significantly by systematizing engineering knowledge in a uniquely practical and accessible format. His magnum opus, Kitāb fī Maʿrifat al-Ḥiyal al-Handasiyya (The Book of Knowledge of Ingenious Mechanical Devices), stands as one of the earliest comprehensive manuals of mechanical engineering [14], [15].
This richly illustrated manuscript categorizes over fifty mechanical inventions across six main chapters [16]:
Water clocks with complex gear trains and displays
Candle clocks with timed release mechanisms
Water dispensers and cleansing devices
Water-raising machines powered by gears and animal force
Automated vessels and pitchers
Humanoid musical automata and miscellaneous mechanisms
What sets Al-Jazarī apart from his contemporaries is his clarity of exposition and pedagogical intent. He not only described the purpose and function of each device but also provided detailed construction instructions, material specifications, and precise measurements, transforming his treatise into a blueprint for replication [17]. This methodological rigor makes Al-Jazarī not only an inventor but also a systematizer and teacher, intent on preserving and transmitting engineering knowledge for future generations.
His work exemplifies the confluence of scientific exploration, artistic expression, and practical application—a hallmark of Islamic engineering at its zenith. More importantly, Al-Jazarī’s contributions challenge Eurocentric narratives of technological history by demonstrating that advanced mechanical concepts such as crankshafts, cams, feedback control, and programmability were being explored and implemented centuries before their appearance in Europe.
In the sections that follow, we examine in detail Al-Jazarī’s most influential inventions and analyze the engineering principles underlying his work, with special attention to their connections to modern robotics, automation, and cybernetics.
3. Key Technological Innovations
Al-Jazarī’s mechanical inventions were not merely isolated demonstrations of technical skill; rather, they exemplified a systematic and empirical approach to mechanical design, characterized by iterative experimentation, functional adaptability, and a deep understanding of physical laws. His work displays an integrated vision of engineering in which form, function, and user interaction were cohesively balanced—centuries before such principles became codified in modern engineering practice [14].
The diversity of Al-Jazarī’s devices—ranging from water clocks and hydraulic pumps to automated musicians and programmable vessels—underscores his wide-ranging ingenuity and foresight. These machines addressed both practical societal needs (such as irrigation, water distribution, and time regulation) and aesthetic or ceremonial functions (including entertainment, hospitality, and ritual purification). In many cases, his machines incorporated early concepts of automation, feedback regulation, and even mechanical programmability, positioning him as a visionary precursor to modern fields such as robotics, cybernetics, and control systems engineering [18], [19].
His devices laid the foundation for modern robotics not only in terms of mechanical logic and programmability, but also through their use of modular design, repeatable motion sequences, and force regulation mechanisms—features that closely parallel contemporary camshaft-driven robotics, translational cam followers, and planetary gear systems [20], [21], [22], [23], [24].
In the following sections, we examine some of Al-Jazarī’s most important and innovative devices. Each example demonstrates not only his remarkable technical skill, but also the conceptual foundations of modern mechanical systems embedded in his designs.
3.1. The Elephant Clock
Figure 1. Al-Jazari’s Elephant Clock [25]
Among Al-Jazarī’s most celebrated and symbolically rich inventions is the Elephant Clock, a monumental water-powered automaton that exemplifies both his engineering acumen and his engagement with the multicultural world of medieval Islamic civilization. More than a timekeeping device, the Elephant Clock represents a complex mechanical system integrated with symbolic design elements, reflecting the confluence of Indian, Persian, Arab, Egyptian, and Chinese cultural motifs.
At its core, the clock operates on a clepsydra (water clock) principle. A concealed bowl inside the elephant’s body slowly fills with water through a steady drip. As it sinks over approximately thirty minutes, it activates a float mechanism that releases a ball into the mouth of a waiting dragon. This event sets off a chain of mechanical movements: the dragon pivots, striking a cymbal with its tail, while a mahout (elephant driver) figure moves and a scribe seated atop a tower rotates to indicate the passage of time [16] [14].
Mechanically, the device incorporated several components that are conceptually analogous to elements in modern control and automation systems:
Sensors: The float acted as a water-level sensor.
Actuators: Balls, levers, and moving figurines translated water motion into mechanical action.
User Interface: Rotating indicators and sound-producing automata provided visual and auditory feedback to observers.
This system can thus be interpreted as a proto-embedded system, integrating input sensing, mechanical processing, and output display—a remarkable accomplishment in the 13th century. Al-Jazarī’s own manuscript contains detailed diagrams, construction guidelines, and functional explanations, confirming that the device was not only designed but intended to be reproducible [16].
In addition to its technical sophistication, the Elephant Clock was rich in symbolic meaning. The inclusion of a Chinese dragon, Indian elephant, Persian carpet, and Egyptian phoenix was deliberate, signaling a worldview in which diverse civilizations contribute collectively to the advancement of science. It functioned as both a multi-indicator chronometer and a political-cosmological statement—a celebration of universal knowledge and cultural plurality.
3.2. The Castle Water Clock
Figure 2. Al-Jazari’s Castle Water Clock [28].
Among Al-Jazarī’s most advanced and conceptually rich inventions is the Castle Water Clock, a monumental timekeeping and astronomical device often regarded as one of the earliest examples of a programmable analog computer. Significantly more complex than the Elephant Clock, this device reflects a sophisticated understanding of hydraulics, automation, feedback regulation, and mechanical programmability.
Constructed in the form of a tall, castle-like structure (reportedly over 3 meters high), the Castle Clock served multiple functions. It displayed the time of day, the positions of the sun and moon, and the progression of the zodiacal constellations. At each hour, automated doors would open to reveal figurines or astrological symbols, while falcon automata dropped metal balls into vases, producing a sound to mark the passage of time [16], [26].
The mechanical heart of the device relied on a conical plug valve and float chamber, regulating the flow of water with remarkable consistency. This system powered a rotating dial that represented the sun’s path and zodiacal arc. Moreover, the clock housed mechanical musicians and trumpeters, which were activated at prescribed intervals to provide auditory cues for special times of day.
Crucially, the Castle Clock featured an early form of programmability: the timing and sequence of its operations could be modified by repositioning pegs and counterweights along the mechanism’s surface. This allowed the user to adjust the timing cycle based on changing day lengths or personal preference—functionally equivalent to input parameters in modern programmable devices [16], [27].
From a modern perspective, the Castle Clock demonstrates characteristics analogous to those found in closed-loop control systems. The float valve acts as a feedback-regulated element, compensating for variations in water pressure to maintain consistent flow—a concept foundational to later control theory. The coordination of multiple mechanical outputs (rotating dials, falling balls, opening doors, musical performance) in response to a timed water flow reflects the sequential logic of modern analog computing devices.
Professor Salim Al-Hassani and other scholars have argued that the Castle Clock may rightfully be described as the first programmable analog machine in the history of mechanical engineering [5], [29]. It integrates input (water pressure and float control), processing (mechanical computation through timing mechanisms), and output (visual, auditory, and symbolic displays), fulfilling many functional criteria of a mechanical control system centuries before such concepts were formally defined.
The Castle Clock stands not only as a pinnacle of medieval clockmaking but also as a profound testament to Al-Jazarī’s innovative brilliance—an engineer whose understanding of automation, user adjustability, and system regulation was far ahead of his time.
3.3. Candle Clocks and Integrated Automata
Figure 3. Candle Clock [16]
In addition to his groundbreaking water clocks, Al-Jazarī developed a series of innovative candle clocks, marking a significant advancement in nocturnal timekeeping. These devices operated based on the predictable and uniform combustion rate of a candle, representing an early attempt to mechanize the passage of time using thermal energy.
One of Al-Jazarī’s designs featured a cylindrical candle of consistent cross-section placed inside a vertically calibrated housing. As the candle burned downward, it caused a counterweight mechanism to ascend proportionally, moving a dial or pointer to indicate the time elapsed. This basic structure offered a functional and accessible alternative to hydraulic clocks, especially useful during nighttime or in environments lacking a water source [10], [16].
However, Al-Jazarī did not stop at functionality. He enhanced the candle clock with automata and dynamic visual indicators—integrating mechanical figures that animated in response to the flame’s progression. One exemplary model, often referred to as the “Scribe Candle Clock,” included a figure of a mechanical scribe who periodically advanced along a surface to denote the passage of time. In other variations, figures dropped balls, struck chimes, or rotated, thereby transforming the clock into an early form of kinetic sculpture [4] [5].
lOne particularly notable mechanical innovation was Al-Jazarī’s use of a bayonet-style mounting mechanism that allowed the candle to advance upward uniformly as it burned, maintaining a consistent interaction with the rest of the clock’s mechanical system. As historian Donald Hill points out, this bayonet coupling represents the earliest known example of such a mechanism, conceptually analogous to modern bayonet light bulb fittings [10], [16].
These devices, by integrating visual storytelling with functional mechanics, resemble miniature mechanical theaters. More than mere tools for timekeeping, Al-Jazarī’s candle clocks served as objects of technological curiosity and artistic expression. Furthermore, the presence of interchangeable components—such as removable weights, adjustable screws, and configurable automata—suggests an early understanding of mechanical programmability. In this sense, Al-Jazarī approached the design not as a static apparatus, but as a reconfigurable system—a design principle central to modern engineering, robotics, and embedded systems.
3.4. The Automated Basin for Ablution (Wuḍū Machine)
Figure 4. The Ritual Ablution (Wuḍū) [31]
Al-Jazarī’s engineering genius extended beyond clocks and entertainment devices into the realm of practical domestic and ritual applications. One particularly notable example is his automated water dispenser for ritual ablution (wuḍūʾ)—a process of purification required before Islamic prayers. This device, often referred to as the “Basin of the Slave,” stands as one of the earliest known instances of a humanoid automaton designed for hygienic and ceremonial use.
The mechanism took the form of a standing humanoid figure beside a basin, holding a jug. When activated—either by removing a peg, pulling a lever, or pressing a button—the automaton would tilt the jug forward to pour water into the basin, enabling the user to wash. After dispensing a measured amount of water for each phase of the ablution, the automaton would pause momentarily, then resume pouring, providing the appropriate volume and timing for each stage of the ritual [16], [30].
Technically, the system functioned through a combination of:
Siphon-based discharge mechanisms, which regulated flow after a threshold level was reached,
Float valves, ensuring precise control over water levels and timing,
Timed release sequences, achieved using calibrated mechanical triggers.
Al-Jazarī also envisioned that, upon completion of the ablution cycle, the automaton could emit an auditory signal (such as a chirp or bell) or automatically refill itself through a hidden siphon mechanism—a remarkable form of closed-loop functionality.
This device exemplifies human-centered mechanical design in the pre-modern era. It was, in essence, a robotic assistant, engineered to perform a culturally significant and repetitive task reliably, cleanly, and respectfully. The elegant use of hydraulics to mimic lifelike responsiveness reflects Al-Jazarī’s sophisticated understanding of fluid dynamics and mechanical automation.
More broadly, the ablution machine illustrates that Al-Jazarī’s inventions were not merely experimental curiosities or entertainment devices, but also deeply interwoven with the rituals, daily practices, and ethical sensibilities of his society. His work addressed real needs using innovative methods, anticipating principles of assistive technology, ergonomics, and automated hygiene systems long before their formal articulation in modern engineering [1], [30], [32].
3.5. Water-Lifting Machines
Figure 5. Twin-cylinder water-raising pump designed by Al-Jazarī [18], [33]
A substantial portion of Al-Jazarī’s seminal manuscript, The Book of Knowledge of Ingenious Mechanical Devices, is devoted to the development of water-lifting technologies, highlighting the critical importance of irrigation, sanitation, and municipal water supply in medieval society. His treatise documents numerous innovations in this domain, including enhancements to traditional devices and the invention of entirely novel pumping mechanisms.
Among the water-raising devices he described is a chain pump, which utilizes a series of buckets attached to a continuous loop driven by an undershot water wheel. This system enabled the vertical transport of water from rivers or canals for agricultural and urban use—demonstrating an effective integration of hydropower and mechanical design.
However, Al-Jazarī’s most technically sophisticated and historically significant contribution in this category is his invention of a twin-cylinder suction pump powered by a water wheel. This pump is recognized as the first known machine to incorporate a crankshaft mechanism, marking a pivotal moment in the history of mechanical engineering [1] [18].
Mechanically, the pump consists of:
A rotating water wheel that provides continuous circular motion,
A crank-connecting rod system that transforms this rotary input into the reciprocating linear motion of two opposing pistons,
Intake and output pipes through which water is drawn and expelled,
And flap valves (early one-way valves) to maintain unidirectional flow.
The crankshaft, comprising two right-angled cranks mounted on a shared axle, was linked to pistons via connecting rods. These pistons operated out of phase, meaning that while one drew water in, the other expelled it—resulting in a smooth, continuous discharge with minimal flow interruptions. This design principle foreshadows the functionality of modern reciprocating pumps and even the internal combustion engine’s crankshaft, though here it is driven by hydropower rather than fuel combustion [1].
According to historian Donald R. Hill, this pump represents the first recorded example of converting continuous rotary motion into linear reciprocating motion in a machine—a fundamental innovation upon which countless later mechanisms were built [16]. The inclusion of flap valves further enhanced the system’s efficiency, ensuring a consistent direction of flow—an essential feature of modern pump and engine design.
Beyond its technical ingenuity, the pump reflects Al-Jazarī’s keen sensitivity to mechanical efficiency and system continuity. His meticulous illustrations, along with step-by-step construction instructions and commentary, suggest a deliberate effort to minimize energy loss and optimize hydraulic performance.
This twin-cylinder pump stands as one of Al-Jazarī’s most influential contributions to mechanical engineering. Its core concepts profoundly influenced later developments in both Middle Eastern and European pump technologies, forming a critical link in the evolutionary chain of hydraulic machinery [34], [35].
3.5. Complex Gear Trains and Mechanical Linkages
One of the most defining features of Al-Jazarī’s mechanical genius lies in his pioneering use of complex gear systems and motion-transmitting linkages. While gears had been known for centuries before him, Al-Jazarī significantly advanced their practical application—not only to regulate rotational speed and torque, but also to synchronise motion across multiple axes and mechanisms. In his treatise The Book of Knowledge of Ingenious Mechanical Devices, he systematically describes the use of spur gears, bevel gears, and worm gears to control motion between perpendicular or non-aligned components [2], [16].
These gear trains were not merely theoretical concepts but the core mechanical frameworks for some of his most iconic inventions. For instance, in the Castle Clock, a rising float actuated a set of gears that powered rotating zodiac dials, automated doors, and animated figures, all synchronized through a coordinated system of linkages. Similarly, in his hydraulic machines, bevel gears enabled the redirection of force and enhanced torque to lift heavy volumes of water through piston or chain mechanisms [4].
Illustrated Mechanisms from Al-Jazarī’s Manuscript
The visual diagrams in Figures 6 and 7 provide vivid representations of how these gear systems were integrated into real-world hydraulic applications:
Figure 6. An animal-powered geared water-lifting system [3]
Figure 6 displays a donkey-powered piston system, in which an animal walking in a circular path drives a horizontal shaft. This motion is transferred through a bevel gear pair to a vertical shaft that operates a reciprocating piston pump submerged in water. The setup uses a crank and connecting rod to convert rotary to linear motion—effectively forming the earliest known crankshaft-driven hydraulic system [16].
Figure 7. Variants of gear-driven water-raising systems [3]
Figure 7 presents a composite of three hydraulic systems:
(a) shows a horizontal gear train linked to a vertical scoop wheel. Bevel gears transmit power from an animal-walked axle to a pulley system, raising water from a reservoir—an elegant example of cross-axis motion transmission.
(b) combines two technologies: a donkey-driven chain pump and a four-cylinder reciprocating pump. The chain pump converts rotary into vertical piston action, while the four-cylinder variant uses interconnected gear trains to coordinate piston strokes—an early model of the multi-cylinder crankshaft system.
(c) depicts a water wheel–driven system, in which rotational energy is transferred through radial and bevel gears to lift water between basins. These interconnected systems demonstrate a clear grasp of fluid dynamics, automated flow, and mechanical timing.
Programmability Through Cams and Mechanical Logic
Perhaps most forward-thinking is Al-Jazarī’s use of the camshaft mechanism, which transforms rotary motion into sequential linear motion—as seen in his mechanical musical boat. A rotating drum embedded with cam pegs triggers levers connected to mechanical musicians. By repositioning the pegs, the rhythm and sequence of motions can be changed—creating a form of mechanical programmability [14],[18], [27].
This system is conceptually comparable to:
Modern music boxes
The Jacquard loom (which used punched cards to automate weaving patterns)
And even early punched-card computers
Al-Jazarī’s documented use of this camshaft mechanism in 1206 predates similar European innovations by several centuries [13], [26].
Conclusion: Toward the Foundations of Systemic Engineering
Al-Jazarī’s gear trains and linkages were not built for spectacle alone; they represented functional, repeatable, and often programmable systems. Through a combination of:
Mechanical sequencing (cams and coordinated gear rotations),
User adjustability (peg-based timing control),
And multi-modal motion integration (rotary, linear, and cyclic actions),
He articulated a primitive but remarkably complete vision of mechanical systems theory—centuries before it would be formally defined.
4. Engineering Principles and Innovations
Al-Jazarī’s machines were not just ad hoc wonders; they were grounded in sound engineering principles and reveal a deep intuitive understanding of mechanics, hydraulics, and what we might call systems thinking. His work prefigured many modern engineering concepts and demonstrated an approach to design that was both analytical and empirical. We discuss several key technical principles that defined his work and how they relate to contemporary engineering:
Hydraulics and Fluid Control: Mastery of water flow is at the heart of many of Al-Jazarī’s innovations. In his water clocks and fountains, he utilized gravity-fed water systems, carefully calibrated orifices, siphons, and float valves to control timing and motion. For example, the steady flow of water in the Elephant and Castle clocks was regulated by floats and flow regulators to ensure consistent timekeeping despite changing water levels. This reflects an early understanding of hydrostatic pressure and the need to maintain constant flow rates – an essential concept in fluid dynamics. In the Castle Clock, the conical plug valve in the flow regulator automatically maintained the water in the drip-tank at a constant height, providing uniform pressure for the timing mechanism [16], [18]. Such feedback-based water regulation is analogous to modern engineering solutions like the ballcock valve in flush toilets or float valves in carburetors. Al-Jazarī also understood the principle of siphoning, using siphons to transfer water between vessels and to trigger actions when a vessel filled to a certain level (many of his fountains and automatic pitchers rely on siphon triggers). These implementations show an empirical grasp of what would later be formalized as Bernoulli’s principle and fluid continuity. Indeed, many aspects of modern hydraulic engineering – from flow control to pump design – can trace conceptual roots to devices like Al-Jazarī’s, which demonstrated control of water in open and closed systems.
Crankshafts and Rotary-to-Linear Conversion: Perhaps Al-Jazarī’s most celebrated mechanical innovation is the documented use of the crankshaft with connecting rod in his twin-cylinder pump. The crankshaft is a mechanism vital to converting rotary motion into linear motion (and vice versa), fundamental in engines and many machines. In Al-Jazarī’s pump, the rotation of a waterwheel is converted into the reciprocating motion of pistons via a crank pinned to the wheel and a connecting rod attached to each piston. This is the earliest known pictorial and functional implementation of an actual crank-slider mechanism in any civilization [16], [18]. Previously, crank-like handles were used (e.g., in catapults or grinders), but Al-Jazarī’s design integrates them into a machine for continuous motion conversion. Donald Hill noted that this mechanism “marks the beginning of a new era in mechanical engineering” [34], [35], as nearly all later engines (steam, internal combustion, etc.) employ the same principle. Al-Jazarī’s use of the crankshaft was coupled with the use of flywheel elements (the waterwheel’s inertia) to smooth motion and counterweights (on the wheel or pistons) to balance forces. He effectively addressed problems of converting motion and managing mechanical loads, predating Renaissance engineering by centuries. This innovation highlights Al-Jazarī’s forward-thinking approach—while he created it to solve a specific problem (water pumping), the concept has universal applicability. It is noteworthy that crankshafts in Europe do not clearly appear until the 15th century; thus, Al-Jazarī’s pump stands out as a singular breakthrough. Modern analyses have confirmed the efficiency of his design, recognizing it as the first known instance of a machine element (the crank) that is ubiquitous today [1], [15]. The inclusion of a crankshaft shows that Al-Jazarī had moved beyond simple one-step machines to multi-step kinematic chains, a leap in mechanical abstraction.
Feedback Control Systems: Al-Jazarī’s devices sometimes employed primitive feedback loops to regulate operation, embodying early forms of control theory. A classic example is the water-level regulator in the Castle Clock: the conical plug and float system ensures that outflow from the reservoir remains constant despite the lowering water level [16]. This can be seen as a proportional control mechanism: when water level drops, the plug opens more to increase inflow, and when the chamber is full, the plug closes – maintaining equilibrium. Another example is the use of float valves in some fountains to keep water at a desired height before triggering the next sequence (such as in the Peacock Fountain, which reportedly had a float that, once a bowl filled, would tip and cause the next bowl to fill, in a cyclic process – a kind of relaxation oscillator). These mechanisms lack the mathematical formulation of modern feedback (no explicit error calculation or gain), but function on the same logic of self-correction: the state of the system (water level or pressure) influences its input (via a valve or plug) to stabilize the state. This is fundamentally the concept of a feedback loop and is often cited as an early example of cybernetic mechanism in practice. Additionally, Al-Jazarī’s use of escapement-like devices in his clocks (where water flow causes intermittent motion of a wheel) foreshadows the development of true escapements in later clocks. The Peacock Fountain device has even been described as an ancestor of the flush toilet mechanism, which uses feedback to refill and stop at a certain level. In summary, while Al-Jazarī did not have control theory equations, his machines demonstrate an intuitive understanding of maintaining stable operation through physical feedback processes. This aligns with the same principles that would much later be formulated by James Watt with the fly-ball governor (18th century) and by scientists like James Clerk Maxwell in the 19th century for formal control theory.
Programmability and Modularity: Al-Jazarī’s inventiveness extended to making his machines configurable, anticipating the idea of programmability. The clearest example is the automata (like the water-powered musical boat) in which rotating drums with pegs were used to control the timing and rhythm of mechanical musicians. By moving the pegs around on the drum, the operator could change the pattern of beats or the sequence of actions – effectively “reprogramming” the machine’s behavior without rebuilding it. This is analogous to a programmable drum machine or a player piano. It demonstrates the concept of modular design: the drum and pegs form a module that encodes the sequence, which can be altered independently of the rest of the machine. Another example is the Castle Clock’s ability to be calibrated for different lengths of the day or year by adjusting the placement of indicators and the lengths of certain levers or rods. Al-Jazarī explicitly mentions that one could modify the clock to accommodate seasonal changes in day length by repositioning some of the display pieces, thereby altering the speed at which certain events (like doors opening) occur. Flexibility shows that Al-Jazarī wasn’t just building one-off devices but designing systems with an appreciation for variability and control. In a broader sense, many of his inventions were modular: comprised of subcomponents (pumps, siphons, gear trains, floats, etc.) that he recombined in different devices for different purposes. This reuse of modules is a very modern engineering approach, improving reliability and reducing complexity by deploying known “subcircuits” in new contexts. The notion that mechanical devices could be instructed or set to perform different tasks via simple changes is a precursor to the idea of programming mechanical computers and, eventually, electronic ones. It is not an exaggeration to say that Al-Jazarī’s peg-and-drum system contains the seeds of the idea of a stored program – albeit in a rudimentary, physical form.
System Integration and Interdisciplinary Design: One striking aspect of Al-Jazarī’s work is how he integrated multiple domains of knowledge—mechanics, hydraulics, artistry, and user interaction—into cohesive designs. His machines were often multifunctional and designed with a systems perspective. For example, the Elephant Clock integrates timekeeping, visual display, audio signals (the cymbal sound), and symbolic representation, all driven by a single water flow system. The Castle Clock combines time measurement with astronomical display and automatic performance. This holistic approach is akin to mechatronics in today’s terms: blending mechanical systems with elements of display (and in modern times, electrical control – which in Al-Jazarī’s case was played by water). Moreover, Al-Jazarī paid attention to the user experience: he made sure his clocks were not only accurate but also engaging to observe, and that his devices, like the ablution fountain, were convenient and pleasant to use. This human-centric outlook (designing technology to serve people’s needs and delight them) aligns with modern principles of human-centered design and ergonomics. In his writing, Al-Jazarī occasionally notes the aesthetic decisions he made, indicating a design philosophy that form and function should complement each other. Such integration of art and engineering is something the modern STEAM movement advocates (Science, Technology, Engineering, Art, Math) advocates, and Al-Jazarī can be seen as an early example of that approach. The interdisciplinary nature of his designs also meant he was effectively an early systems engineer: he thought about how each part of a machine would interact with others, how changes in one component (like water flow rate) would affect the overall performance, and how to achieve robustness through design. In doing so, he anticipated the need for what we today call systems integration – ensuring that different subsystems (hydraulic, mechanical, ornamental) work together seamlessly to achieve the desired outcome.
Documentation and Methodology: Beyond his inventions themselves, Al-Jazarī’s approach to documenting and explaining his work was pioneering. His manuscript reads at times like a modern engineering textbook or manual. He provides material lists, step-by-step assembly instructions, and troubleshooting tips for many devices. This indicates an awareness of the importance of replicability and knowledge transfer in engineering. He systematically categorized machines, much like a modern engineer might organize knowledge by domain or function. In the introduction to his book, Al-Jazarī humbly states that he compiled the treatise partly to preserve the knowledge of the ingenious devices for future generations, as previous works had been difficult to understand or fragmentary. His meticulous diagrams used labels (akin to today’s engineering drawings with annotations) and his writing cross-references these labels to ensure clarity. Such rigor in presentation mirrors the modern scientific method of publication and stands in contrast to many earlier authors who guarded secrets or wrote in esoteric language. By democratizing the knowledge of how to build complex devices, Al-Jazarī was, in a sense, practicing an early form of open-source hardware documentation. This methodology likely contributed to the dissemination (albeit limited and much delayed) of his ideas. Indeed, Donald Hill’s 1974 annotated translation of Al-Jazarī’s manuscript [16] highlights how extraordinarily detailed and clear Al-Jazarī’s technical descriptions were for their time. Hill and other historians credit Al-Jazarī with establishing a tradition of practical engineering literature in the Islamic world, which may have indirectly influenced later texts in the Ottoman and European realms once his work was translated or summarized. In short, Al-Jazarī not only innovated in technology but also in technical communication—an integral aspect of engineering practice.
Through these principles, we see that Al-Jazarī’s contributions were not ad hoc gadgets but embodiments of underlying engineering concepts. Whether it was controlling water flow (hydraulic regulation), converting motion (kinematics of cranks and gears), implementing automatic responses (feedback control), or enabling adjustable functionality (programmability), Al-Jazarī was working with ideas that form the foundation of modern mechanical engineering. His intuitive grasp of these ideas allowed him to create machines that were remarkably ahead of their time, justifying his recognition as a true pioneer in the field.
5. Influence on Modern Robotics and Mechatronics
Although Al-Jazarī’s manuscript remained relatively obscure in the West until its rediscovery and translation in the 20th century, his engineering concepts prefigured many principles that underpin contemporary robotics, automation, and mechatronic design. As historians and engineers have revisited his contributions, Al-Jazarī is increasingly recognized not only as a brilliant medieval inventor but also as a foundational figure in the evolution of modern engineering systems. We highlight a few areas of influence:
Precursors to Robotics and Automated Machines: Many of Al-Jazarī’s automata can be viewed as early robotic systems. His water-powered humanoid servants, automatic peacocks, and musical robots contain the three essential elements of a robotic system: a source of power, a set of mechanisms to perform tasks, and a control logic to govern their actions. For instance, the drink-serving waitress automaton and the hand-washing peacock operate in response to user actions or as timed sequences, akin to modern service robots [26]. These machines involved a form of sensory input (e.g., detection of water reaching a certain level), mechanical “decision-making” (through levers and valves that respond to that input), and reactive output (dispensing water or moving figures). This loop is analogous to the sense-compute-actuate loop in robotics. Moreover, the programmability of his musical automata (via peg drums) parallels the concept of programming in modern robots — the idea that one can reconfigure a mechanism to change its behavior. It is telling that some robotics curricula today include Al-Jazarī’s work as an early case study in systems design. His automata, by bridging entertainment and function, also prefigures the use of robots in modern society not just for labor, but for display, education, and art (for example, animatronics in theme parks or robot exhibits in museums). Indeed, Al-Jazarī has been called the “father of robotics” in some popular accounts, a title that, while anachronistic, underscores the continuity between his creative machines and the goals of modern robotics engineers.
Mechanical Design and Early Mechatronics: Al-Jazarī’s integration of mechanical, hydraulic, and human-interactive elements can be seen as a proto-mechatronic approach, long before the term existed. His machines performed precise, repeatable motions through well-designed gear trains, cams, linkages, and control valves—core components in modern automation and industrial machinery. The Elephant Clock, for example, is essentially an automaton on a timer, which is conceptually similar to modern timed control systems. The Castle Clock goes further, incorporating multiple subsystems (timekeeping, astronomical display, automata, sound generation) into one coordinated device, much like a complex mechatronic system with many interlinked parts. The emphasis on reliability and accuracy in his water-regulated clocks parallels the goals of modern control engineering (achieving consistent performance despite external changes). Additionally, Al-Jazarī’s concern with the user interface—designing visually appealing dials, indicators, and self-explanatory operation (like the doors opening to show time)—reflects a usability perspective central to modern product design. Many of his solutions, such as the float regulator or the double-action pump, directly influenced later mechanical inventions once his work became known. For example, when European engineers eventually grappled with designing piston pumps and clocks, similar configurations to Al-Jazarī’s were developed – possibly independently, but the parallel is striking. The presence of a crank-slider in his pump is a direct blueprint for mechanisms in countless machines today, from locomotives to compressors. It is also worth noting that Islamic engineers after Al-Jazarī, such as Taqī al-Dīn in the 16th century, built on this legacy (Al-Jazarī’s book was known in the Ottoman realm), creating machines like mechanical clocks and steam jacks that show a lineage of ideas. Through such continuity, one can argue that Al-Jazarī’s designs formed an essential link in the chain of development that leads to modern mechanical and mechatronic engineering [36].
Conceptual Influence and the History of Ideas: In the narrative of the history of technology, Al-Jazarī’s work provides an important counterpoint to Eurocentric views. Many concepts that arose in European engineering during the Renaissance and early Industrial Revolution (14th–18th centuries) – including the camshaft, segmental gears, reciprocating pumps, automata for entertainment, and feedback controls – have precedents in Al-Jazarī’s 13th-century book. While direct transmission of knowledge from Al-Jazarī to Europe is not well documented (his manuscript was not widely translated into Latin or other European languages at the time), there were likely indirect channels of influence. The Islamic world’s knowledge gradually found its way to Europe through translated works, travels, and the intercultural exchanges in places like Spain and Italy. Donald Hill and other historians have suggested that devices such as the camshaft or crank may have been reinvented in Europe, but the prior existence of these in Al-Jazarī’s work indicates the global nature of innovation [26], [35]. Today, increasing scholarly attention to figures like Al-Jazarī is helping to create a more inclusive understanding of the history of automation and control. For example, the idea that complex automata existed in medieval Islamic courts challenges the old assumption that sophisticated clockwork only began in the European Renaissance. It positions Al-Jazarī alongside polymaths like Leonardo da Vinci in envisioning mechanized contraptions, albeit Al-Jazarī actually built many of his, whereas Leonardo mostly sketched. In modern engineering education and discourse, acknowledging Al-Jazarī’s contributions broadens the historical perspective, emphasizing that innovation is a shared human heritage. As one author put it, “the impact of Al-Jazari’s inventions is still felt in contemporary mechanical engineering”[26]– a statement supported by the continued relevance of his mechanisms. Concepts he pioneered have become standard elements in machines worldwide, demonstrating a conceptual lineage from his work to modern engineering thought.
Ethical and Educational Legacy: Al-Jazarī’s work also carries ethical and pedagogical significance that resonates today. He was notable for demystifying technology – by publishing how his devices worked, he empowered others to understand and replicate them. In an era where artisans might guard their trade secrets, Al-Jazarī took an open approach to knowledge. This attitude aligns with contemporary movements toward open-source engineering and the sharing of knowledge for the greater good. It also speaks to the ethics of engineering practice: transparency, documentation, and a willingness to educate are highly valued in modern engineering communities. Al-Jazarī’s automata were often designed to serve people (e.g. the ablution dispenser was explicitly made to assist with a religious duty in a respectful way). This focus on serving human needs and cultural practices illustrates an early form of user-centered design and ethical engineering – technology created not for its own sake, but to benefit and honor its users. In today’s discussions about robotics and AI, we often emphasize the need for technology to be aligned with human values; Al-Jazarī’s devices, rooted in the context of hospitality, ritual, and education, reflected such alignment. Furthermore, by writing his book, Al-Jazarī took on the role of an educator. He systematically explained basic principles (like how a siphon works or why a certain gear ratio is used) in the text, essentially instructing future artisans. This educational legacy is evident in how later scholars in the Islamic world referenced his work, and now how museums and science history curricula use his inventions as teaching tools. The 1001 Inventions project, for instance, has popularized Al-Jazarī’s innovations through exhibitions and publications, inspiring young people by illustrating the rich multicultural history of science. Reproductions of Al-Jazarī’s machines have been built in interactive science museums (in Istanbul, London, and elsewhere), continuing his educational mission by engaging the public with engineering concepts in a hands-on manner.
Modern Recognition and Inspiration: In recent decades, Al-Jazarī has been increasingly celebrated in both academic and popular contexts. Scholarly translations and analyses by experts like Donald R. Hill [16], [36] and others have made his work accessible, highlighting its importance. Institutions such as the Metropolitan Museum of Art and the Museum of Fine Arts, Boston, have preserved illustrated folios of his manuscript, recognizing them as treasures of technological art. In the Muslim world, Al-Jazarī has long been acknowledged as a great engineer, and his work is often cited as a point of pride in the history of science and technology. Events and conferences on the history of engineering now routinely include Al-Jazarī alongside figures like Hero of Alexandria or Leonardo da Vinci, solidifying his place in the global canon. Engineers have also drawn direct inspiration from his designs; for example, hobbyists and researchers have built working models of the Elephant Clock and Castle Clock to study their operation and to display at science festivals. This revival is not just retrospective – it spurs forward-thinking ideas. Some modern roboticists point to Al-Jazarī’s examples when discussing how to design robots that are culturally aware and aesthetically pleasing, not just functional. The interplay of art and engineering in his work is held up as a model for modern designers to create technology that resonates with people on multiple levels (functional, visual, symbolic). In sum, the renewed attention to Al-Jazarī in recent times is more than an antiquarian interest; it serves as a continuous inspiration, reminding the engineering community that innovation can come from any time and place, and that solving technical problems can go hand in hand with creativity and cultural sensitivity.
In conclusion to this section, Al-Jazarī’s engineering was far more than a product of its time; it was a projection into the future. His machines were not only technically impressive but conceptually transformative, laying a foundation for what would eventually become the fields of automation, control engineering, and robotics. Recognizing his contributions helps modern scholars and engineers appreciate the deep historical roots of their disciplines and the cross-cultural fertilization of ideas. Al-Jazarī’s legacy encourages us to look beyond traditional narratives and appreciate a global history of engineering wherein a 13th-century Muslim engineer can rightfully be seen as an ancestor of today’s roboticists and mechanists.
Conclusion
Al-Jazarī’s work stands as a monumental achievement in the history of science and engineering, offering a compelling blend of creativity, functionality, and foresight. Through his Book of Knowledge of Ingenious Mechanical Devices, Al-Jazarī provided not only a catalog of remarkable inventions but also a window into a sophisticated engineering mindset that integrated art, ethics, and empirical inquiry. His designs—ranging from programmable automata and intricate water clocks to advanced hydraulic and mechanical systems—demonstrate an understanding of principles that would not be formally articulated for centuries to come.
In this paper, we have examined the depth and breadth of Al-Jazarī’s contributions, positioning him as a pioneer whose ideas prefigured essential concepts in robotics, automation, and control systems design. Working in the intellectual milieu of the Islamic Golden Age, Al-Jazarī drew on cross-cultural knowledge and contemporary needs to create devices that were extraordinarily ahead of their time. Yet his work transcended his era by anticipating modern engineering frameworks and techniques. He was more than an inventor; he was an educator, a human-centric designer, and in many ways a philosopher of technology. He approached engineering challenges with a mindset that combined practical problem-solving with a vision of technological possibilities that would only be realized much later.
By analyzing Al-Jazarī’s inventions in both historical and modern contexts, we see that his legacy offers valuable insights for contemporary engineers, educators, and scholars. His life and work challenge us to reimagine innovation as inherently interdisciplinary, culturally informed, and ethically grounded. Al-Jazarī reminds us that the roots of modern engineering stretch far back and across cultures, and that ingenuity is a shared human heritage.
Al-Jazarī’s technological legacy – the foundations of robotics and automation laid out in his 1206 manuscript – continues to inspire. It serves as a testament to the idea that curiosity and creativity, coupled with diligent methods and knowledge sharing, can produce innovations that resonate through the ages. In a world facing new engineering challenges, the spirit of Al-Jazarī’s work – inventive, integrative, and purposeful – is as relevant as ever.
References
[1] Z. Şen, “Ancient water robotics and Abou-l Iz Al-Jazari,” Water Supply, vol. 13, no. 3, pp. 699–709, May 2013, doi: 10.2166/WS.2013.031.<BR>.
[2] “The Book of Knowledge of Ingenious Mechanical Devices: (Kitāb fī ma ’rifat … – P. Hill – Google Kitaplar.” Accessed: Jun. 16, 2025. [Online]. Available: books.google.com.tr
[3] G. A. H. Emeritus, “Innovation of Mechanical Machinery in Medieval Centuries, Part IV: Mechanisms, Gear Trains and Cranes,” International Journal of Advanced Research in Computer Science & Technology, vol. 78, 2014, Accessed: Jun. 15, 2025. [Online]. Available: www.ijarcst.com
[4] “The Journey of Automatic Machines in Muslim Civilisation – Muslim Heritage.” Accessed: Jun. 15, 2025. [Online]. Available: muslimheritage.com
[5] “The different aspects of Islamic culture: Sciences and Technology in Islam – Ahmad, Maqbul, Al-Hassan, Ahmad Youssef, Iskandar, Albert Z., UNESCO – Google Kitaplar.” Accessed: Jun. 16, 2025. [Online]. Available: books.google.com.tr
[6] M. Akram. Nadwī, “Al-Muḥaddithāt: the women scholars in Islam,” p. 314, 2007, Accessed: Jun. 16, 2025. [Online]. Available: 1001inventions.com/
[7] “Medieval robots: How al-Jazari’s mechanical marvels have been resurrected in Istanbul | Middle East Eye.” Accessed: Jun. 16, 2025. [Online]. Available: middleeasteye.net
[8] “Overview on al-Jazari and his Mechanical Devices – Muslim Heritage.” Accessed: Jun. 16, 2025. [Online]. Available: muslimheritage.com
[9] L. Romdhane and S. Zeghloul, “AL-JAZARI (1136–1206),” pp. 1–21, 2009, doi: 10.1007/978-90-481-2346-9_1.
[10] “Islamic Science and Engineering – Donald R. Hill – Google Kitaplar.” Accessed: Jun. 16, 2025. [Online]. Available: books.google.com.tr
[11] “Mechanical Engineering in the Medieval Near East on JSTOR.” Accessed: Jun. 16, 2025. [Online]. Available: jstor.org
[12] G. Nadarajan, “Islamic Automation: A Reading of al-Jazari’s The Book of Knowledge of Ingenious Mechanical Devices ( 1206) ISLAMIC AUTOMATION: A READI NG OF AL-JAZARI ’S THE BOOK OF KNOWLEDGE OF INGENI OUS MECHANI CAL DEVICES ( 1206) *,” 2007, Accessed: Jun. 16, 2025. [Online]. Available: metmuseum.org
[13] “5 Amazing Mechanical Devices from Muslim Civilisation – 1001 Inventions.” Accessed: Jun. 16, 2025. [Online]. Available: 1001inventions.com
[14] “Al-Jazari: The Ingenious Inventor of Cybernetics and Robotics – Muslim Heritage.” Accessed: Jun. 14, 2025. [Online]. Available: muslimheritage.com
[15] M. Dirik, “Al-Jazari: The Ingenious Inventor of Cybernetics and Robotics 1”, Accessed: Jun. 15, 2025. [Online]. Available: dergipark.org.tr
[16] I. ibn al-R. A.-Izz. Jazari and D. Routledge. Hill, “The book of knowledge of ingenious mechanical devices: <kitab fi ma Rifat al-Hiyal al-Handasiyya>,” p. 285, 1974.
[17] “800 Years Later: In Memory of Al-Jazari, A Genius Mechanical Engineer – Muslim Heritage.” Accessed: Jun. 16, 2025. [Online]. Available: muslimheritage.com
[18] I. al-R. al-Jazarī, “The Book of Knowledge of Ingenious Mechanical Devices,” The Book of Knowledge of Ingenious Mechanical Devices, 1973, doi: 10.1007/978-94-010-2573-7.
[19] R. V Jones, “The Book of Knowledge of Ingenious Mechanical Devices,” Physics Bulletin, vol. 25, no. 10, pp. 474–474, Oct. 1974, doi: 10.1088/0031-9112/25/10/040.<BR>.
[20] P. Yan, H. Huang, S. Wang, B. Li, and Z. Zhang, “Single-Actuated Camshaft Robot with Multiple Sequential Motions,” J Mech Robot, vol. 16, no. 6, Jun. 2024, doi: 10.1115/1.4062987/1164465.
[21] H. Wang, C. Zhang, Z. Lin, and G. Chen, “Meshing Analysis of the Planetary Indexing Cam Mechanisms,” Journal of Mechanical Design, vol. 127, no. 2, pp. 340–346, Mar. 2005, doi: 10.1115/1.1825043.
[22] L. I. Wu and P. H. Fang, “Synthesis of Stationary Cams,” Journal of Mechanical Design, vol. 121, no. 1, pp. 169–172, Mar. 1999, doi: 10.1115/1.2829419.
[23] J. López-Martínez, D. García-Vallejo, F. M. Arrabal-Campos, and J. M. Garcia-Manrique, “Design of Three New Cam-Based Constant-Force Mechanisms,” Journal of Mechanical Design, vol. 140, no. 8, Aug. 2018, doi: 10.1115/1.4040174/367597.
[24] K. L. Hsu, H. A. Hsieh, and L. I. Wu, “Positive-drive cam mechanisms with a translating follower having dual concave faces,” J Mech Robot, vol. 8, no. 4, Aug. 2016, doi: 10.1115/1.4032863/384278.
[25] T. Cankurt, I. Çelebi, and I. Giray, “Historical Significance and Modern Impact of Al-Jazari’s Elephant Clock,” History of Mechanism and Machine Science, vol. 47, pp. 314–321, 2024, doi: 10.1007/978-3-031-54876-5_23.
[26] “The Robot Clocks of 12th-Century Turkey – Atlas Obscura.” Accessed: Jun. 16, 2025. [Online]. Available: atlasobscura.com
[27] “Cover Art,” pp. c1–c1, Sep. 2017, doi: 10.1109/CBD.2017.82.
[28] “The Castle Clock – The Book of Knowledge of Ingenious Mechanical Devices.” Accessed: Jun. 14, 2025. [Online]. Available: aljazaribook.com
[29] “Al-Jazari’s Castle Water Clock: Analysis of its Components and Functioning – Muslim Heritage.” Accessed: Jun. 16, 2025. [Online]. Available: muslimheritage.com
[30] “Automatic Wuḍūʾ (الوضوء) Pitcher and Errors by Engineers – The Book of Knowledge of Ingenious Mechanical Devices.” Accessed: Jun. 17, 2025. [Online]. Available: aljazaribook.com
[31] “The Ritual Ablution (Wuḍū- الوضوء) and the Basin of the Slave – The Book of Knowledge of Ingenious Mechanical Devices.” Accessed: Jun. 15, 2025. [Online]. Available: aljazaribook.com
[32] “1001 Inventions: Muslim Heritage in Our World: www.islamicebay.com: Free Download, Borrow, and Streaming: Internet Archive.” Accessed: Jun. 17, 2025. [Online]. Available: archive.org
[33] “Water Pumps – The Book of Knowledge of Ingenious Mechanical Devices.” Accessed: Jun. 15, 2025. [Online]. Available: aljazaribook.com
[34] “Al-Jazari: The Mechanical Genius – Muslim Heritage.” Accessed: Jun. 17, 2025. [Online]. Available: muslimheritage.com
[35] “The pump and the Crankshaft – The Book of Knowledge of Ingenious Mechanical Devices.” Accessed: Jun. 17, 2025. [Online]. Available: aljazaribook.com
[36] D. R. Hill and D. A. King, “Studies in medieval Islamic technology: from Philo to al-Jazarī, from Alexandria to Diyarbakir,” p. 400, 2020.
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