Radio transmitting helix
date: label: date made
content: ca 1915
notes: label: Description (Brief)
content: Radio transmitting helix with no extant maker's markings. A transmitting coil for an amateur radio station of the 1915 period. Six turns of .125" aluminum tubing are wound on a wooden frame with brace insulator bars. Reference: Similar to helix illustrated in Manhattan Electrical Supply Co. catalog, 1913, page 23, in Clark Collection.
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.321414
label: catalog number
content: 321414
label: accession number
content: 241556
objectType: label: Object Name
content: transmitting helix
physicalDescription: label: Measurements
content: overall: 6 in x 11 1/2 in; 15.24 cm x 29.21 cm