Field Glasses

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Description
This is a brass instrument with a black japan finish. The objective lenses are about 40 mm diameter, and the optics are excellent. The “CHEVALIER * PARIS” signature on each eyepiece refers to an optical firm that was begun by Louis Vincent Chevalier in 1765 and 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.” There is a black leather case.
Ref: Paolo Brenni, “19th Century French Scientific Instrument Makers. II: The Chevalier Dynasty,” Bulletin of the Scientific Instrument Society 39 (1993): 11–14.
Location
Currently not on view
date made
late 19th century
maker
Chevalier
place made
France: Île-de-France, Paris
Measurements
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
PH.323411
catalog number
323411
accession number
251004
Credit Line
C.C. Hostrop
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Medicine and Science: Physical Sciences
Science & Mathematics
Military
Optics
Data Source
National Museum of American History, Kenneth E. Behring Center

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