U.S. Army Signal Corps type D radio receiver
date: label: date made
content: c 1917
label: date made
content: ca 1917
notes: label: Description (Brief)
content: Marked: "Receiving Set Type D / Signal Corps / U.S. Army / Order 9968 / 1917." Crystal detector with multipoint switches for varying inductance of primary and secondary. A knife switch selects short and long waves.
label: Location
content: Currently not on view
setName: label: See more items in
content: Work and Industry: Electricity
creditLine: label: Credit Line
content: from Franklin Wingard
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.320791
label: catalog number
content: 320791
label: accession number
content: 241556
objectType: label: Object Name
content: radio receiver
physicalDescription: label: Measurements
content: overall: 10 5/8 in x 5 1/2 in x 5 in; 26.9875 cm x 13.97 cm x 12.7 cm