Triad type 25AC5G vacuum triode
date: label: date made
content: ca 1938
name: label: maker
content: Triad Manufacturing Company, Inc.
notes: label: Description (Brief)
content: A 6-pin plastic base with center post, getter flash, domed glass envelope. Mica insulator. Printed on base: "T / 4 / 8 / Triad / Made in U.S.A. / 25AC5G". Reference: https://www.radiomuseum.org/tubes/tube_25ac5g.html.
label: Location
content: Currently not on view
setName: label: See more items in
content: Work and Industry: Electricity
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.320396
label: catalog number
content: 320396
label: accession number
content: 242605
objectType: label: Object Name
content: Electron Tube, Triode
label: Object Name
content: triode
label: Other Terms
content: Electron Tube, Triode; Electron Tubes
physicalDescription: label: Measurements
content: overall: 4 1/4 in x 1 1/2 in; 10.795 cm x 3.81 cm