[EARLY PLANE GEOMETRY IN DARUSSAFAKA] Hendese-i müsteviye mesâili. [i.e. Examples of plane geometry]. 2 volumes set.

MUSTAFA SALIM, (1873-?).; HASAN FEHMI [ÇAYKÖY]. 

Necm-i Istikbâl Matbaasi / Yeni Turan Matbaasi., Ist., [AH 1330-1331] = 1914 AD.

In contemporary dark green cloth bdg. Two volumes in one. Foolscap 8vo. (18 x 12 cm). In Ottoman script. 2 volumes set: (64 p.; 64 p.), b/w ills. AH 1330-1331 = AD 1914-1915. First and Only Edition of this book on the plane geometry in the Imperial Ottoman. Set is very scarce. Mustafa Salim was a teacher and an engineer having grown up during the Ottoman period and his work called "Hesâb-i Asgar-i Nâmütenâhiyat" as well which was the first work on 'the differential calculus'. He gave lectures on differential and integral calculations, high algebra, technical mechanic, and mathematical mechanic at Hendese-i Mülkiye-i Sâhâne, Darul Funun (House of Sciences), and Darüssafaka, which were outstanding schools of the time. This work is one of the earliest plane geometry. This work includes the applications of the geometry lesson taught in the first year of the Idadîye schools which was written with Darüssafaka and Engineering School Teacher Hasan Fehmi Çayköy. First Edition. Özege 7291.; Only two copies in OCLC: 949534124 (Bogaziçi University Library, Istanbul) and 850849216 (ITU Library, Istanbul).