General Electric / RCA model UP-1656 filament transformer
date: label: date made
content: ca 1912
name: label: maker
content: General Electric Company
notes: label: Description (Brief)
content: General Electric type UP-1656 transformer. Marked: "Filament Transformer / with Secondary Voltage / Adjusting Switch / for 1, 2, 3 or 4 model UV-202 / Radiotrons or Model UV-216 / Kenotrons. / Model UP 1656 / Watts: 75 / Cycles: 60 Primary volts 110 / Secondary volts 7.6/3.8 / Pat. Nov. 21 '11 / Manufactured by / General / Electric Company U.S.A. / for Radio Corporation of / America." A filament transformer for UV-202 Radiotrons. Five variable voltage taps for on top of unit are selectable with a switch. Core is of laminated construction.
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.321412
label: catalog number
content: 321412
label: accession number
content: 241556
objectType: label: Object Name
content: filament transformer
physicalDescription: label: Measurements
content: overall: 4 in x 3 3/4 in; 10.16 cm x 9.525 cm