Western Electric model 518-W loudspeaker
date: label: Date made
content: ca 1922
name: label: maker
content: Western Electric
notes: label: Description (Brief)
content: Marked: "518-W / Western Electric / Pat. in U.S.A. / Oct. 11, 1921 / Jan. 18, 1921 / Dec. 13, 1921 / Made in U.S.A."; also "KFQP" printed on speaker flare. Unit is a loudspeaker attachment for the model 7-A amplifier and 2-A power supply unit. A flare type speaker horn is mounted on a drive mechanism which has pin plugs for attachment to amplifier. In 1924, the call sign KFQP was registered to George S. Carson Jr. of Iowa City, Iowa. This unit may have been used at that station. Reference: Western Electric Technical Bulletin T-688, March 1923. https://www.radio-collector.com/early-iowa-broadcast-radio-stations/
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.321415
label: catalog number
content: 321415
label: accession number
content: 241556
label: model number
content: 518-W
objectType: label: Object Name
content: loudspeaker
physicalDescription: label: Measurements
content: overall: 32 in x 14 1/2 in x 9 1/2 in; 81.28 cm x 36.83 cm x 24.13 cm