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This Bausch & Lomb metallurgical microscope, model BHM, is a small compound monocular with coarse and fine focus, handle arm, inclination joint, horseshoe base, and electrical wires for illumination. The inscription reads “BAUSCH & LOMB OPTICAL CO. / Rochester, N.Y. U.S.A.” The triangular B&L logo appears on the base. An inscription on one side reads “B.S. 30425A.” This was used by William F. Meggers (1888-1966), an American physicist who worked at the National Bureau of Standards, and who specialized in spectroscopy.
Ref: Bausch & Lomb, Microscopes and Microtomes (Rochester, N.Y., 1919), pp. 98-99.
Currently not on view
Object Name
date made
mid 20th century
Bausch & Lomb
place made
United States: New York, Rochester
overall: 10 1/4 in x 4 1/8 in x 5 5/8 in; 26.035 cm x 10.4775 cm x 14.2875 cm
ID Number
catalog number
accession number
Credit Line
Edith R. Meggers
Science & Scientific Instruments
See more items in
Medicine and Science: Medicine
Science & Mathematics
Data Source
National Museum of American History
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