Bausch & Lomb Optical Co.

Investigator model microscopes

left: serial No. 3634, c. 1885     right: serial No. 6818, c. 1890

Bausch & Lomb Optical Co. Investigator model microscopes

From the catalog of August Stendicke, New York: Illustrated & Descriptive Catalogue of Optical Instruments c.1890

Patents

US patent 182919

Gundlach microscope patent us182919

US patent 328277

Bausch and Lomb microscope patent us328277

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