SCIENC 



New Series 

 Vol. L, No. 1282 



Friday, July 25, 1919 



SisGLE Copies, 16 Cra. 

 Aknual Suesceiption, $6.09 



loml. 



icroscopes 



The Accepted Standard 



have aga'n demonstrated their 

 technical and practical worth in 

 most exacting service. As a result 

 their position in the scientific world 

 FS2 MICROSCOPE is Stronger today than ever before. 



Price $40.75 



A new edition of our complete microscope catalog 

 is about to come from the press . It will present a full 

 line of models for all forms of microscopy, for the first 

 time since our manufacturing activities were concen- 

 trated in important wartime service. 



Write for your copy of this catalog today. Under 

 present readjustment conditions it will be to your 

 advantage to anticipate your requirements as far ahead 

 as possible. 



Bausch ^ Ipmb Optical ©• 



New York 

 Chicago 



Washington 

 Rochester, M. Y. 



San Francisco 

 London 



Leading American Makers of Photographic Lenses, Microscopes, Projection 

 Apparatus (Balopticons), Ophthalmic Lenses and Instruments, Photomicro- 

 graphic Apparatus, Range Finders and Gun Sights for Army and Navy, 

 Searchlight Reflectors, Stereo-Prism Binoculars, Magnifiers and other High- 

 Grade Optical Products. 



