Bausch & Lomb Optical Co., Rochester NY, #1364.

A rare transitional model, c. 1880

Bausch & Lomb Optical Co., Rochester NY, #1364. A rare transitional model, c. 1880

 

 

Gundlach microscope patent us182919

Patent Oct. 3, 1876

Bausch & Lomb Optical Co., Rochester NY, #1364. A rare transitional model, c. 1880 and case

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