Figure 4: A creative model of a device designed by al-Jazari (chapter 6 of category III) used for measuring blood lost during phlebotomy (bloodletting) sessions, a popular therapy in the medieval world. Taken from a MS of al-Jazari's treatise copied in Egypt in 1354. (Source).
Islamic Automation: Al-Jazari’s Book of Knowledge of Ingenious Mechanical DevicesLEARN MORE
Dr. Gunalan Nadarajan In the following essay, Dr....