Bausch & Lomb Optical Co.

Pat. Oct. 3, 1876 and Oct 13, 1885

The Universal model microscope fitted with binocular tubes.

Bausch & Lomb Optical Co. Universal model binocular microscope

Bausch & Lomb Optical Co. Universal model binocular microscope

 

 From: Behrens Guide to the Microscope in Botany, 1885

Wenham prism mounting

The Wenham prism on this microscope utilizes a patented mechanism for its mounting as described in the 1884 US patent 293,217.

 

Bausch and Lomb patented mounting of the Wenham prism

 

Gundlach microscope patent us182919 Bausch and Lomb microscope patent us328277

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