Bausch & Lomb Optical Co., Pat. Oct. 3, 1876

Serial No. 2188

The Physician's model microscope (second form), c. 1883

Bausch & Lomb Optical Co., Pat. Oct. 3, 1876. Serial No. 2188. The Physicians model microscope, c. 1883

Bausch & Lomb Optical Co., Pat. Oct. 3, 1876. Serial No. 2188. The Physicians model microscope, c. 1883

Bausch & Lomb Optical Co., Pat. Oct. 3, 1876. Serial No. 2188. The Physicians model microscope, c. 1883

Bausch & Lomb Optical Co., Pat. Oct. 3, 1876. Serial No. 2188. The Physicians model microscope, c. 1883 in case

Two other versions of the Physician's model from 1879 and 1889 are also represented in this collection.

The glass stage and slide holder are desribed in Gundlach patent Dec. 25, 1877

Gundlach microscope patent us182919

Gundlach patent Oct. 3, 1876

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