Philco type 7A8 frequency converter
date: label: date made
content: ca 1939
name: label: maker
content: Philco
notes: label: Description (Brief)
content: An 8-pin metal base with center post, T-shaped envelope. Envelope stamped: “Philco / Made in U.S.A. / U / 8 / When renewing / Insist on a / Genuine Philco Tube”; on top: "7A8". Reference: https://www.radiomuseum.org/tubes/tube_7a8.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 Susan Horle
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.313895
label: catalog number
content: 313895
label: accession number
content: 195337
objectType: label: Object Name
content: Electron Tube
label: Object Name
content: octode
physicalDescription: label: Measurements
content: overall: 2 1/2 in x 1 1/8 in; 6.35 cm x 2.8575 cm