Field Glasses

Field Glasses

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Brass instrument with a black japan finish. The objective lenses are about 40 mm diameter, and the optics are excellent. The “CHEVALIER * PARIS” inscription on each eyepiece refers to an optical firm that was begun by Louis Vincent Chevalier in 1765, and that was still in the business in the late 19th century. The left eye tube is marked “DAY & NIGHT / EXTRA POWER” and the right is marked “ARMY & NAVY / EXTRA POWER.” The case is black leather.
Ref: Paolo Brenni, “19th Century French Scientific Instrument Makers. II: The Chevalier Dynasty,” Bulletin of the Scientific Instrument Society 39 (1993): 11–14.
Currently not on view
Object Name
field glasses
date made
late 19th century
place made
France: Île-de-France, Paris
overall: 7 1/4 in x 1 1/2 in; 18.415 cm x 3.81 cm
overall in case: 8 3/16 in x 5 7/8 in x 2 3/4 in; 20.79625 cm x 14.9225 cm x 6.985 cm
ID Number
catalog number
accession number
Credit Line
C.C. Hostrop
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Medicine and Science: Physical Sciences
Science & Mathematics
Data Source
National Museum of American History
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