Sextant
date: label: date made
content: ca 1917
name: label: maker
content: Brandis & Sons, Inc.
notes: label: Description
content: Sextant probably made for use in World War I. Brandis termed it a "U.S. Navy surveying sextant, 6 inch radius, reading 30 seconds of arc." New it cost $120. The frame is anodized brass. The silvered scale is graduated every 20 minutes from -5° to +185° and read by vernier with tangent screw and magnifier. The inscriptions read "BRANDIS & SONS, BROOKLYN, N.Y." and "5670." The words "U.S. Navy-N-4705" are scratched onto the arc. The serial number inside the wooden box is 3946.
label: Description
content: Ref: Brandis & Sons Mfg. Co., <i>Catalogue No. 20. Instruments of Precision</i> (Brooklyn, n.d.), p. 298.
label: Location
content: Currently not on view
place: label: place made
content: United States: New York, Brooklyn
topic: label: Subject
content: World War I
label: related event
content: World War I
setName: label: See more items in
content: Medicine and Science: Physical Sciences
label: See more items in
content: Navigation
label: See more items in
content: Measuring & Mapping
creditLine: label: Credit Line
content: C. Richard Hoshaw
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: 1991.0446.01
label: catalog number
content: 1991.0446.01
label: accession number
content: 1991.0446
objectType: label: Object Name
content: sextant
physicalDescription: label: Physical Description
content: brass (overall material)
label: Physical Description
content: mahogony (overall material)
label: Physical Description
content: glass (overall material)
label: Measurements
content: radius: 6 in; 15.24 cm
label: Measurements
content: overall in case: 5 1/4 in x 9 3/4 in x 10 in; 13.335 cm x 24.765 cm x 25.4 cm