Wireless Specialty antenna switch
date: label: date made
content: c. 1919
label: date made
content: ca 1919
name: label: maker
content: Wireless Specialty Apparatus Co.
notes: label: Description (Brief)
content: No extant maker's markings. Unit was designed for radio transmitting circuits handling up to 10 K.W. A heavy corrugated insulated pillar is mounted on the base. Specimen was used to perform such functions as closing a break in the field circuit of an alternator, closing a detector protective relay circuit, and connecting antenna to transmitter loading coil. Reference: Wireless Specialty Apparatus Co., Radio Equipment Catalog, 1919, page 58.
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.321466
label: catalog number
content: 321466
label: accession number
content: 241556
objectType: label: Object Name
content: antenna component
physicalDescription: label: Measurements
content: overall: 11 5/8 in x 12 in x 4 1/2 in; 29.5275 cm x 30.48 cm x 11.43 cm