Microscope

Description
Bausch & Lomb introduced their Large Continental in 1891, noting that “no efforts have been spared to make the stand the most complete and fitted with all modern improvements and appliances.” This example is a compound monocular with coarse and fine focus, triple nosepiece (but only one objective), inclination joint with clamp (the handle of which is made of celluloid), large circular stage, sub-stage Abbe condenser and iris diaphragm, and support for sub-stage mirror (the mirror is missing). The instrument is brass, the draw tube is nickel plated, and the stage is covered with vulcanized rubber. The inscription on the horseshoe base reads “Bausch & Lomb Optical Co. / ROCHESTER, N.Y. & NEW YORK CITY / 14317.” The serial number indicates a date around 1894.
Ref: Henry Bausch, “New American Microscopes, Made by Bausch & Lomb Optical Co., Rochester, N.Y.,” Proceedings of the American Society of Microscopists 13 (1891): 116-119.
Bausch & Lomb, Microscopes and Accessories (Rochester and New York, 1895), pp. 8-10.
Henri Van Heurck, The Microscope (London, 1893), pp. 141-142.
Location
Currently not on view
Object Name
microscope
date made
1894
maker
Bausch & Lomb Optical Company
Physical Description
brass (overall material)
lead (overall material)
rubber (overall material)
plastic (overall material)
Measurements
overall: 34 cm x 11.4 cm x 18.2 cm; 13 3/8 in x 4 1/2 in x 7 5/32 in
place made
United States: New York, Rochester
associated place
United States: New York, Rochester
ID Number
MG*M-12198
accession number
272522
catalog number
M-12198
subject
Science & Mathematics
Microscopes
Science & Scientific Instruments
See more items in
Medicine and Science: Medicine
Microscopes
Data Source
National Museum of American History, Kenneth E. Behring Center
Credit Line
Bausch & Lomb Optical Company

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