Microscope

Description
This Bausch & Lomb Model GGBET is a stereoscopic instrument with coarse and fine focus, quadruple nosepiece, square mechanical stage, inclination joint, sub-stage condenser and iris diaphragm, sub-stage mirror, and V-shaped base. The inscription on the eyepiece reads “BAUSCH & LOMB OPTICAL CO. / ROCHESTER, N.Y.” The 251496 serial number indicates a date of around 1936. A tag on the base reads “PROPERTY OF U.S. GOVERNMENT / PHS / 800 / 35990.”
This was used in the mid-1960s, in the National Institutes of Health Division of Biologics Standards, in connection with the development of a live virus vaccine for rubella (German measles). Dr. Harry M. Meyer, Jr. and Dr. Paul D. Parkman led this project.
Ref: Bausch & Lomb, Scientific Instruments (Rochester, N.Y., 1939), p. 30.
Location
Currently not on view
Object Name
microscope
date made
1936
maker
Bausch & Lomb Optical Co.
Physical Description
glass (overall material)
metal (overall material)
Measurements
overall: 35.6 cm x 16.1 cm x 19.3 cm; 14 in x 6 5/16 in x 7 5/8 in
place made
United States: New York, Rochester
ID Number
1977.0514.01
accession number
1977.0514
catalog number
1977.0514.01
serial number
251496
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
Department of Health Education and Welfare, The Federal Food and Drug Administration

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