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On the following pages will be found illustrations 

 of a number of instruments manufactured by 



Bauseh & Lomb Optical Co., 



ROCHESTER, N. Y., AND NEW YORK CITY, 



Who issue the following Catalogues : 



I Eyeglasses, Lenses, Magnifiers, Readers, etc. 



2 Microscopes, Objectives and Accessories. 



3 Supplement to Microscope Catalogue (i2th 

 Edition). 



4 Photographic Lenses and Diaphragm Shutters. 



Any or all of which will be sent to any address 

 free on application. 



