March, 1848. 



BENARES OBSERVATORY. 



75 



mathematical science was so well known, that the Emperor 

 Mahommecl Shah employed him to reform the calendar. 

 Mr. Hunter, in the " Asiatic Researches/' gives a transla- 

 tion of the lucubrations of this really enlightened man, as 

 contained in the introduction to his own almanac. 



2. equinoctial sun-dial, 

 (length of gnomon, 39 feet; of each quadrant, 9 feet.) 



Of the more important instruments I took sketches ; 

 No. 1, is the Naree-wila, or Equatorial dial ; No. 2, the 

 Semrat-yunta, or Equinoctial dial ; No. 3, an Equatorial, 



