Philco type 24 screen-grid tetrode
date: label: date made
content: ca 1940
name: label: maker
content: Philco
notes: label: Description (Brief)
content: Plastic base with 5 pins, top contact, S-shaped envelope. Base marked: "Philco / type 24 / Made in U.S.A." Decal on envelope: Philco / Reg. U.S.Pat.Off." Paper label reads: "Tested for oscillation / filament and general condition / Tested perfect 8/11/44 / This tube guaranteed for [blank] months / North Radio Co., Inc. / 172 Washington St. N.Y.C. / Guarantee void if filament is broken". Reference: https://www.radiomuseum.org/tubes/tube_24.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.314035
label: catalog number
content: 314035
label: accession number
content: 195337
objectType: label: Object Name
content: Electron Tube
label: Object Name
content: tetrode
label: Other Terms
content: Electron Tube; Electron Tubes
physicalDescription: label: Measurements
content: overall: 5 in x 1 3/4 in; 12.7 cm x 4.445 cm