U.S. Army Signal Corps / Wireless Specialty crystal radio frequency detector
date: label: date made
content: ca 1908
name: label: maker
content: Wireless Specialty Apparatus Co.
notes: label: Location
content: Currently not on view
setName: label: See more items in
content: Work and Industry: Electricity
creditLine: label: Credit Line
content: from Susan Horle
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.314103
label: catalog number
content: 314103
label: accession number
content: 195337
objectType: label: Object Name
content: radio receiver
label: Object Name
content: crystal radio
physicalDescription: label: Measurements
content: overall: 4 1/2 in x 2 in x 2 in; 11.43 cm x 5.08 cm x 5.08 cm