Philco type 78 vacuum pentode
date: label: date made
content: ca 1934
name: label: maker
content: Philco
notes: label: Description (Brief)
content: Philco type 78 vacuum pentode in original box. A vacuum pentode with plastic 6-pin base, top contact, screen grid, mica insulator, BT-shaped envelope. Stamped on envelope: "78"; on base: "Philco / Made in U.S.A. / 2 / o / When renewing / insist on a / genuine Philco tube". Reference: https://www.radiomuseum.org/tubes/tube_78.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: ZZ.RSN80753U20
objectType: label: Object Name
content: pentode
label: Other Terms
content: Electron Tube; Electron Tubes
physicalDescription: label: Measurements
content: electron tube: 4 1/2 in x 1 1/2 in; 11.43 cm x 3.81 cm
label: Measurements
content: box: 4 3/4 in x 1 3/4 in x 1 3/4 in; 12.065 cm x 4.445 cm x 4.445 cm