Zenith type 2M audio amplifier
date: label: date made
content: ca 1923
name: label: maker
content: Zenith
notes: label: Description (Brief)
content: Marked: (Panel) "Chicago Radio Laboratory", and "Zenith" (on lid). Schematic diagram on back panel. Unit is a two stage audio amplifier utilizing two UV-199 type tubes. One tube in socket, other missing. Battery binding post connections are made to rear panel. Two filament rheostat controls are located on the front panel with output monitoring jacks. Allied Van Lines shipping tag #36 on unit. Reference: Chicago Radio Laboratory catalog sheet: last page. Clark collection: CWC 45-485A. See also: https://www.radiomuseum.org/r/zenith_2m_2_m.html
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.321093
label: catalog number
content: 321093
label: accession number
content: 241556
objectType: label: Object Name
content: audio amplifier
physicalDescription: label: Measurements
content: overall: 9 1/2 in x 1 in x 12 in; 24.13 cm x 2.54 cm x 30.48 cm