Tung-Sol type 1R5 pentagrid converter
date: label: date made
content: ca 1940
name: label: maker
content: Tung-Sol
notes: label: Description (Brief)
content: A 7-pin glass base with tipped T-shaped envelope. Miniature tube. Stamped: "1R5”. Donor’s card reads: “Pentagrid converter made by Tung-Sol Electric Company. Used in light-weight compact portable battery-operated radio receivers. Filament type: 1.4 volts at .05 ampere.” See also: https://www.radiomuseum.org/tubes/tube_1r5~2.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.324856
label: catalog number
content: 324856
label: accession number
content: 252994
objectType: label: Object Name
content: Electron Tube
label: Object Name
content: vacuum tube
label: Object Name
content: heptode
label: Other Terms
content: Electron Tube; Electron Tubes
physicalDescription: label: Measurements
content: overall: 2 in x 5/8 in; 5.08 cm x 1.5875 cm