Western Electric model 4D radio receiver
date: label: date made
content: 1925
name: label: maker
content: Western Electric
notes: label: Description (Brief)
content: Marked: "Western Electric / 4-D Radio Receiver / Patented in U.S.A. / ... / Patents Applied For / Serial No. 256 / Made in U.S.A. / Licensed for use only as a commercial radio receiving unit." A superheterodyne receiver using six 215-A type peanut tubes. This receiver employs separate tuning and local oscillator controls, a filament rheostat, and amplification control. Schematic diagram on inside rear panel. A terminal strip provides battery connections. Unit uses 45 volts on plate, and 7.5 volt filament supply. Reference: Clymer-Greenwood, page 152. Western Electric Company, "The No. 6204-D Radio Receiving Outfit."
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.320795
label: catalog number
content: 320795
label: accession number
content: 241556
objectType: label: Object Name
content: radio receiver
physicalDescription: label: Measurements
content: overall: 9 7/8 in x 18 3/4 in x 5 3/4 in; 25.0825 cm x 47.625 cm x 14.605 cm