Figure 1. Prof. Charles Burnett during his speech in 1001 Inventions Conference.
The Appreciation of Arabic Science and Technology in the Middle AgesLEARN MORE
This article describes the appreciation of Arabic science and technology in the Middle Ages through the...
Figure 2: Shlomo Pines (1908–1990). (Source).
Figure 2: The Escapement Mechanism generating incremental movement of the crown wheel.
Figure 3: Novel gravity system introduced as a source to power the clock.
Figure 4: Schematic side view of the main mechanisms in the clock.
Figure 5: Details of the escapement and top view of the pallets.
Figure 6: Schematic diagram of the striking train system.
Figure 7: Count wheel.
Figure 8: Examples of clock housing framework.
Figure 9: Side view of striking train
Figure 10: Examples of levers with ends designed for hooking or engaging the count wheel.
Figure 11: Three dimensional view of the Striking Train.
Figure 12: Schematic diagram of the alarm system.
Figure 13: Front and side view of the dial wheel.
Figure 14: Bird-Dragon mechanism.
Figure 15: Dragon and verge connection.
Figure 16: Configuration of display wheel and view from the front facade.
Figure 17: The great wheel.
Figure 18: Overal mechanism of the clock.
Figure 19: Schematic diagram of the internal workings of the clock.
Figure 22: Close up of the escapement.
Figure 23: Pallets with 120o between them.
Figure 1b: Armillary sphere of Tycho Brahe. (Source).
Figure 2a: Mural quadrant (libna) of Taqî al-Dîn. Source: Istanbul Topkapi Library, Hazine 452, f. 9a.
Figure 2b: Mural quadrant of Tycho Brahe. (Source).
Figure 3a: Azimuthal semicircle (dhât al-samt wa-'l-irtifâ') of Taqî al-Dîn. Source: Istanbul Topkapi Library, Hazine 452, f. 10a.
Figure 3b: Azimuthal semicircle of Tycho Brahe. (Source).
Figure 4a: Parallactic instrument of Taqî al-Dîn. Source: Istanbul Topkapi Library, Hazine 452, f. 11ba.
Figure 4b: Parallactic instrument of Tycho Brahe. (Source).
Figure 5a: Wooden quadrant of Taqî al-Dîn.
Figure 5b: Wooden quadrant of Tycho Brahe. (Source).
Figure 6: Diopra (dhât al-thuqbatayn).
Figure 7: Instrument with cords (dhât al-awtâr).
Figure 8a: Sextant (mushabbaha bi'l-manâtiq) of Taqî al-Dîn. Source: Istanbul Topkapi Library, Hazine 452, f. 14b.
Figure 8b: Sextant of Tycho Brahe. (Source).
Figure 9: Observational clock.
Figure 10a: Transversal divisions of Al-‘Âmilî.
Figure 10b: Transversal divisions of Tycho Brahe.
Figure 11: Azimuthal quadrant of Nâsir al-Din Tûsî.
Figure 12: Azimuthal Instrument of Ibn Sînâ.