Radio transmitting key
date: label: Date made
content: 1919
notes: label: Description (Brief)
content: Transmitting key used in amateur station 3BV. A wireless key used to transmit spark-generated signals. Slate base, steel armature with brass fittings. Copper tension spring and braided copper conductor. Plastic grip with flange. No extant maker’s marks.
label: Location
content: Currently not on view
setName: label: See more items in
content: Work and Industry: Electricity
creditLine: label: Credit Line
content: from Paul G. Watson
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.325498
label: catalog number
content: 325498
label: accession number
content: 252994
objectType: label: Object Name
content: wireless key
physicalDescription: label: Measurements
content: overall: 2 1/2 in x 2 1/2 in x 8 in; 6.35 cm x 6.35 cm x 20.32 cm