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SCIENCE 



Nsw Sbbibs 



Vol. XLIX, No. 1278 



Friday, June 27, 1919 



SniGLE Copies, IS On. 

 Amkdal Scbscriptiox, S8.M 



pauscli''|oml> 



p|icroscope 



are again in the market — backed - 

 by the prestige which attaches 

 to successful war service in any 

 significant capacity. 



FS2 MICROSCOPE 

 Price $40.75 



Our release from this service is of course gradual. 

 As the demands made upon us by the government are 

 lessened from month to month, however, we are enabled 

 to increase deliveries proportionately to our other 

 patrons. 



Write for complete catalog of our revised microscope 

 line and inform us regarding your requirements. 



Bausch ^ Ipmb Optical (6. 



409 ST. PAUL STREET ROCHESTER, N.M 



New York 



Chicago 



San Francisco 



Washington 



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. 



