Arabic Manuscripts. cexix 
} 
Beg Sete rd tg wl Aus ney! wot a des 
(Bahédur Shah, Mochigate, Lahore, 
156 
tole)! caiiad 
A work on optical science. 
The author flourished in the 8th century of the Hijrah. 
He was a pupil of Qutb al-Din Mahmud B, Mas‘id Shirazi 
(d. a.H. 710 = a.p. 1312, vide Brock., Vol. II, p. 211) as stated 
in the preface, fol. 2. 
I cannot throw much light on the life of the author except 
what appears in his preface regarding himself and his work 
He isa commentator of Kulliyat al-Qanin and wrote a Tangih on 
the book of Apollonius? (;leM} Cxsaght ) entitled Makhratat 
(vide MS., fol. 3b). The work appears to be an excerpt from 
Ibn Hayth } 
al-Din Abu’l Hasan ‘al-Farsi (d.c. AH. 700 = A.D. 1300) is 
given, but the title of the commentary is wanting, which 
cording to Brock. Ibn Haytham has divided his work into 
seven Fasls and the author added a Khatimah ( 4&6 ), Zayl 
(Ub) and Lawihig ( GI) ); vide fols. 4a and 4b. 
It contains diagrams illustrating the optical laws. The 
Written in clear Naskh, Undated ; apparently 11th century 
of the Hijrah. ‘Unwan is illuminated. One copy of the work 
Beg :—zeuJ} Sls 9 bya lee eb 9 rlyidt yp) AU) oesd} 
: ‘ ra sod! 3 
(Bahadur Shah, Mochigate, Lahore.) 
Ali ! For fuller details of the work, see my Urdi article, published in the 
~~ Institute Gazette, 23rd May 1917. a : 61-2. 
4 nal Apollonius and his works see Tarikh al-Hukam@’ of Qiftt, pp a al. 
Qung . ony ham see Nadwah 1911, No. 1, pp. - re oe ‘her 
s hs e > -4-* J ul : - “2 - 
s Uyiin o-'4 napa i-‘Arab (U a of bag " parikh ab Hak ; 
+ Tey 8? and Loth Cat., p. 212, N 
Maulayi M other copy of the wor 
. 734, LI. : 
k Z the library of Thsan al-Din, 
ahallah, Kékiri, Lucknow: 
* 
