Humaidi, Muhammad bin Ali al-. Al-'Amal bi-al-Rub' al-Kamil [Treatise on the Perfect Quadrant].

Istanbul, [1920/21 CE =] 1339 H.

4to (172 x 212 mm). Ottoman Turkish manuscript on cream-coloured paper. 10 ff. 21 lines in black ink with occasional words in red. Contemporary marbled wrappers.

$653.00

Late Ottoman mathematical manuscript on the perfect quadrant, written in Constantinople. The scribe, a native of Iraq, gives his name as Mustafa bin Abd al-Wahhab bin Hassan al-Baghdadi.

Well preserved.