General Electric type 2A7 pentagrid converter
date: label: date made
content: ca 1934
name: label: maker
content: General Electric Company
notes: label: Description (Brief)
content: A 7-pin plastic base with center post, top contact, domed envelope. Donor’s card reads: “Pentagrid converter made by the General Electric Company. Glass type used in AC operated superheterodyne type radio receivers. Heater: 2.5 volts at .8 ampere.” See also: https://www.radiomuseum.org/tubes/tube_2a7.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 Paul G. Watson
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.325165
label: catalog number
content: 325165
label: accession number
content: 252994
objectType: label: Object Name
content: Electron Tube
label: Object Name
content: heptode
label: Object Name
content: heptode
label: Other Terms
content: Electron Tube; Electron Tubes
physicalDescription: label: Measurements
content: overall: 4 1/2 in x 1 3/4 in; 11.43 cm x 4.445 cm