Marching Compass
date: label: date made
content: ca 1918
notes: label: Description
content: Frank Osborne Creagh-Osborne (1867-1943), Superintendent of Compasses in the Royal Navy, introduced this type of instrument in 1917. The bottom of this example is marked "U.S.E.D. CREAGH-OSBORNE MARCHING COMPASS MARK VII MOD. E SPERRY GYROSCOPE CO. BROOKLYN, N.Y." Here, “U.S.E.D.” stands for United States Engineer Department (aka Army Corps of Engineers). The Sperry Gyroscope Company was established by Elmer Ambrose Sperry in 1910 and became the Sperry Corporation in 1933.
label: Description
content: Ref: E.A.R., “The Creagh-Osborne Compass,” <i>The Geographical Journal</i> 49 (1917): 63-65.
label: Location
content: Currently not on view
setName: label: See more items in
content: Medicine and Science: Physical Sciences
creditLine: label: Credit Line
content: Estate of Carolyn H. Edwards
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: PH.333797
label: catalog number
content: 333797
label: accession number
content: 296611
objectType: label: Object Name
content: compass, marching
physicalDescription: label: Measurements
content: overall in case: 2 1/4 in x 3 1/2 in x 8 in; 5.715 cm x 8.89 cm x 20.32 cm