Field Glasses
date: label: date made
content: late 19th century
name: label: maker
content: Chevalier
notes: label: Description
content: 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.
label: Description
content: Ref: Paolo Brenni, “19th Century French Scientific Instrument Makers. II: The Chevalier Dynasty,” <i>Bulletin of the Scientific Instrument Society</i> 39 (1993): 11–14.
label: Location
content: Currently not on view
place: label: place made
content: France: Île-de-France, Paris
setName: label: See more items in
content: Medicine and Science: Physical Sciences
label: See more items in
content: Military
label: See more items in
content: Science & Mathematics
label: See more items in
content: Optics
creditLine: label: Credit Line
content: C. C. Hostrop
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: PH.323411
label: catalog number
content: 323411
label: accession number
content: 251004
objectType: label: Object Name
content: field glasses
physicalDescription: label: Measurements
content: overall: 7 1/4 in x 1 1/2 in; 18.415 cm x 3.81 cm
label: Measurements
content: 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