SCIENCE 



HBW Sebibs 



TOL. XXXVI. No. 830 



Friday, October 25, 1912 



8IMSLB C0FIB8, 16 Cm. 

 AHHVi.L SCBBCBIPTI0N,t6.M 



General Laboratory Work 



demands optical efficiency, durable 

 mechanical construction and ease of 

 manipulation. Many years of experi- 

 ence in manufacture and the kindly 

 cooperation of educators have put such 

 quality into 



BH MICROSCOPE 



One of our most desirable models 

 BH, recommends itself because of 

 the great number of them now yield- 

 ing satisfactory service in the laboratories. 



The Superior Qualify 

 ofBausch (j Lomb len- 

 ses, microscopes, field 

 glasses, projection ap- 

 paratus, engineering 

 and other scientific in- 

 struments is the product 



Our circular 15a contains full description and^ 

 specifications of BH. 



COPY SENT ON REQUEST 



Bausch ^ Ipmb Optical Q. 



of nearlu 60 years' NEW YORK WASHINGTON CHICAGO SAN FRANCISCO, 



e..erience. ^°'^^°'^ liOCHESTEfl, N.Y. •'^ANKFORT 



5€T 26 1812 



