Garod type RAF radio receiver
date: label: date made
content: ca 1923
name: label: maker
content: Garod Corporation
notes: label: Description (Brief)
content: Marked: "Garod RAF / Serial No. 2843". Inside tag: "Neutrodyne: / Licensed by Independent Radio / Manufacturers / Under Hazeltine Patent / No. 1450080 / March 27, 1923 / Other Pats. Pend. / Garod Corporation / Newark, New Jersey / Type RAF Serial No. 2843." This receiver employs four tubes of the 201A type. Panel controls include antenna and RF tuning. The Neutrodyne circuit was developed by Louis Hazeltine during the late WW I period. A typical banked coil arrangement reduces inter-stage coupling. Circuitry is basically a two stage RF amplifier followed by a detector and a single audio stage. Original price $135 - 1923. REF: "Langley Set Index", page 28. "Clymer-Greenwood", p. 127.
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.320719
label: serial number
content: 2843
label: patent number
content: 1450080
label: catalog number
content: 320719
label: accession number
content: 241556
objectType: label: Object Name
content: radio receiver
physicalDescription: label: Measurements
content: overall: 10 in x 19 1/2 in x 7 1/4 in; 25.4 cm x 49.53 cm x 18.415 cm