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Conical Lens

Conical Lens

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Conical glass lens on a brass base designed to fit on an optical bench. The "Wm. Grunow, New York" inscription refers to WIlliam Grunow (b. 1830), a German-American optical instrument maker.
Ref: D.J. Warner, "Julius and William Grunow," Rittenhouse 3 (1989): 41-48.
Currently not on view
Object Name
optical apparatus
date made
Grunow, William
place made
United States: New York, New York City
overall: 15 3/4 in; 40.005 cm
overall: 16 1/4 in x 7 in x 3 1/2 in; 41.275 cm x 17.78 cm x 8.89 cm
ID Number
catalog number
accession number
Credit Line
U.S. Military Academy
Science & Scientific Instruments
See more items in
Medicine and Science: Physical Sciences
Data Source
National Museum of American History
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