Microscope

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Description
This compound monocular is a Spencer Model 18 with coarse and fine focus, triple nosepiece, square mechanical stage, inclination joint, sub-stage diaphragm, sub-stage mirror, horseshoe base, and wooden box with extra lenses. The inscription reads “SPENCER LENS CO. / BUFFALO, N.Y.” The 38521 serial number on the back of the base indicates a date of 1916. The Spencer Lens Co. termed this model “new” in 1917, noting that it was a “very high-grade” instrument “specially recommended for research work.” It was similar to the model 15, but with a plain, rectangular stage.
Location
Currently not on view
maker
Spencer Lens Company
place made
United States: New York, Buffalo
Physical Description
brass (microscope material)
glass (microscope material)
textile (case material)
metal (microscope material)
wood (case material)
Measurements
microscope: 28.2 cm x 12.5 cm x 14.7 cm; 11 1/8 in x 4 15/16 in x 5 13/16 in
case: 36.2 cm x 18.6 cm x 21.4 cm; 14 1/4 in x 7 5/16 in x 8 7/16 in
ID Number
2009.0116.05
catalog number
2009.0116.05
accession number
2009.0116
subject
Science & Scientific Instruments
See more items in
Medicine and Science: Medicine
Science & Mathematics
Microscopes
Data Source
National Museum of American History, Kenneth E. Behring Center

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