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

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

The description of the Bausch & Lomb "Grand model" continental microscope DDS in the 1898 catalog.

 
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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