The Book of Ingenious Devices / Kitáb al-Ḥiyal: Kitáb al-Hiyal. By The Banú (sons of) Músà bin Shákir
Skilled in geometry, ingenious devices (!lival), music and astronomy. According to Ibn al-Nad!m and Ibn Khallikän their weakest subject was astronamy, but this seems to conflict with the opinions of Ibn Yunus and al-BIrun!, hoth good judges, who spoke highly of the accuracy of the Banu Musa's astronomical observations. Mul)ammad, who was the most influential of the brothers, specialised in gcomctry and astronomy, and excellcd Al)mad in all the sciences except in the construction of ingenious devices. AI-l:Iasan was a brilliant geometrician with aretenlive memoryand great powers of deduction. A rival onee tried to discredit him in front of al-Ma'mun hy saying that al l:Iasan had read only six of the thirteen books of Euclid's Elements. AI-l:Iasan replied by saying that it was unnecessary for him to read the remainder because he could arrive at the answers to any of Euclid's problem s by deduction. AI-Ma'mun acknowledged al-l:Iasan 's skill, but did not excuse him, saying: "laziness has prevented you from 2 reading the whole ofit-it is to geometry as the Ictters a, b, t, 111 are to speech and writing." (H. 264). AI-l:Iasan is rarely mentioned by name elsewhere in the sources and may have preferred to devote his time to scholarship, whereas his brothers were involved in a variety of undertakings. At the time of their entry into the House of Wisdom the Banu Musil were paar and needy (H.
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The Book of Ingenious Devices / Kitáb al-Ḥiyal: Kitáb al-Hiyal. By The Banú ...
Sınırlı önizleme - 1978
Ahmad al-Jazari al-Ma'mun axle Banu Musa bent pipe Berlin/Gotha block hole blocked bottom of tank centre clear close concentric siphon construction device discharges from outlet discharges into tank drink end of pipe evacuated fills flask float h flows into tank flows through pipe forcefully fountain funnel goblet ground valve hole e hole h Ibn al-Nadim illustrated inpouring instal tanks jar jarra lamp lead lily-of-the-valley liquid lower Omitted outlet pipe pipe jd pipe sh pipe wz pipette plinth plug of valve position pouring is stopped quantity ratl reservoir rotates runs into tank runs through pipe sheath sieve-like plate sinks small tank solder tank ew tank f tank xez tank ym tank z tilt top of tank trough upturned Vatican vessel water discharges water flows water is poured water runs wine and water wine discharges wine flows wine is poured wine runs wished to explain