HENRY CROUCH'S MICROSCOPES, 



AND PHOTOGRAPHIC LENSES. 



An Illustrated Catalogue of Microscopes, Oil Immersion Lenses, and all 

 Accessories for BACTERIOLOGY, PRACTICAL PHYSIOLOGY, &c., and 



An Illustrated Catalogue of Photographic Lenses and Cameras, &c., forwarded 

 on application. 



HENRY CROUCH (Limited), 66, Barbican, London, E.G. 



