Nbw Sekies 



Vol. XL. No. 1043 



Friday, December 25, 1914 



Single Copies, 15 Cts. 

 Annual Subsceiption, J5.00 



For High Power Work 



New Bausch & Lomb 



[Binocular Microscope KD 



Perfect Stereoscopic Effect deep per- 

 spective gives accurate and solid image, 

 erect and not transposed. 



Takes Regular Objectives of all powers, 

 including oil immersion. 



Takes paired Objectives in sliding 

 mounts, as well. 



Equal Illumination in both eyepieces ; 

 eyepieces adjustable for pupillary dis- 

 tance. Beside these features Binocular 

 Microscope KD possess all the advan- 

 tages of a regular Monocular Microscope. 



Send for Descriptive Circular of this 

 and other Binocular Microscopes. 



Price, $75.00 up, according to 

 equipment 



MICROSCOPE KD8 

 Price, Complete, $134.00 



BAUSCH & LOMB OPTICAL CO. 



409 St. Paul St. ROCHESTER, N. Y. 



New York: 200 Fifth Ave. 

 Washington: 613 Fifteenth St., N. W. 

 Chicago: 122 S. Michigan Blvd. 



San Francisco, 154 Sutter St. 



Frankfurt A.M.: G.m.b.H. 31 Schillerstrasse 



London: 37 and 38 Hatton Garden, E.G. 



P^DEG 



