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The Book of Ingenious Devices / Kitab al-Hiyal - Kitab al-Hiyal. By The Banu (sons of) Musa bin Shakir (Paperback, Softcover reprint of the original 1st ed. 1979)
Loot Price: R10,718
Discovery Miles 107 180
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The Book of Ingenious Devices / Kitab al-Hiyal - Kitab al-Hiyal. By The Banu (sons of) Musa bin Shakir (Paperback, Softcover reprint of the original 1st ed. 1979)
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skilled in geometry, ingenious devices ( lival), music and
astronomy. According to Ibn al-Nad m and Ibn Khallikan 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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