Bausch & Lomb described their Continental CD as “the type of completeness and compactness, adapted for all general work, and having a grace and elegance of design and finish in keeping with the mechanical excellence of every detail.” This example is a compound monocular with coarse and fine focus, triple nosepiece with three objectives, inclination joint, locking lever with celluloid handle, circular mechanical stage, complex sub-stage iris apparatus, and sub-stage mirror. The inscriptions on the horseshoe base read “Bausch & Lomb Optical Co. / ROCHESTER, N.Y. & NEW YORK CITY / 14303. The inscription on the top of the fine focus screw reads “PAT. FEB. 16. 1897.”
Ref: Bausch & Lomb, Microscopes and Accessories (Rochester, 1900), pp. 42-43.
Edward Bausch, “Microscope,” U.S. Patent 577344 (Feb. 16, 1897).
Currently not on view
Object Name
date made
ca 1900
Bausch & Lomb
Physical Description
metal (overall material)
glass (overall material)
brass (overall material)
overall: 36.4 cm x 10.6 cm x 14.5 cm; 14 5/16 in x 4 3/16 in x 5 11/16 in
place made
United States: New York, Rochester
ID Number
accession number
catalog number
Science & Mathematics
Science & Scientific Instruments
See more items in
Medicine and Science: Medicine
Data Source
National Museum of American History, Kenneth E. Behring Center
Credit Line
Bausch & Lomb Optical Comapny

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