This is a compound monocular with coarse and fine focus, trunnion, square stage, and support for sub-stage diaphragm and for mirror. The tube and trunnions are nickel; the arm and the curvaceous Y-shaped foot are Japanned cast iron; the stage is glass. The eyepiece is missing. The inscription on the tube reads “BAUSCH & LOMB OPTICAL CO. / ROCHESTER. N.Y.” The donor identified this as a Model F made around 1882.
Currently not on view
Object Name
date made
Bausch & Lomb Optical Company
Physical Description
nickle (overall material)
steel (overall material)
brass (overall material)
glass (overall material)
black (overall color)
overall: 27.5 cm x 15.6 cm x 16.6 cm; 10 13/16 in x 6 5/32 in x 6 17/32 in
place made
United States: New York, Rochester
associated place
United States: New York, Rochester
ID Number
accession number
catalog number
Science & Scientific Instruments
See more items in
Medicine and Science: Medicine
Science & Mathematics
Data Source
National Museum of American History, Kenneth E. Behring Center
Credit Line
Bausch & Lomb Optical Company

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