Bausch & Lomb Optical Co. New York, Rochester NY, Chicago

 Serial number 27818

"The Grand" Continental Model Microscope DDS c. 1898

Bausch & Lomb Optical Co. New York, Rochester NY, Chicago. Serial number 27818. "The Grand" Continental Model Microscope DDS c. 1898 Bausch & Lomb Optical Co. New York, Rochester NY, Chicago. Serial number 27818. "The Grand" Continental Model Microscope DDS c. 1898 Bausch & Lomb Optical Co. New York, Rochester NY, Chicago. Serial number 27818. "The Grand" Continental Model Microscope DDS c. 1898
Grand model ubstage.jpg

DDS substage

Grand model stage

 
fine adjustment used on the B&L continental models

Patented fine adjustment: Feb. 16, 1897

substage used on the B&L continental models

Patented substage: Jan. 3, 1899

The "Grand model" was the top-of-the-line instrument produced by the firm at the end of the 19th century. Fully equipped, it cost $200.00 in 1898.

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