Magnavox TRF model D radio receiver
date: label: date made
content: c 1925
label: date made
content: ca 1925
name: label: maker
content: Magnavox Company
notes: label: Description (Brief)
content: Marked: "Magnavox Radio / Type T.R.F. / Model D / No. 839 / The Magnavox Co. / Oakland, California". Five tube (1 missing) TRF receiver using 201-A & 301-A tubes. Three gang condenser. Circuit appears to be two stages RF, a detector, and two stages AF amplification. Tuning controls on panel are single knob for variable capacitor and ON-OFF battery switch; also volume control. Battery compartment in rear. Allied Van Lines shipping tag #58 on front panel. Reference: "Langley Set Index", page 42. (It is not clear what specific model this unit is on the Langley list.)
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.320939
label: accession number
content: 241556
label: catalog number
content: 320939
objectType: label: Object Name
content: radio receiver
physicalDescription: label: Measurements
content: overall: 11 in x 23 5/8 in x 15 1/2 in; 27.94 cm x 60.0075 cm x 39.37 cm