Ill 



KEUFFEL 8c ESSER CO. NEW YORK. 



We are the largest manufacturers of Surveying Instruments, 



LEVELS, TRANSITS, LEVELIXG RODS, 

 IIAXGIXG- POLES, ETC. 



5110 &KmHmE i'l 5116 



See our Oeneral Catalogue (5OO pages.) 



