Westinghouse "Ph tube" triode
date: label: date made
content: ca 1938
name: label: maker
content: Westinghouse Electric Corporation
notes: label: Description (Brief)
content: A plastic 4-pin base with top contact, S-shaped envelope. Etched on base: “J-6-44”. Donor’s card reads: “Triode made by Westinghouse about 1938 for use in a Leeds & Northrup “Electrmeter” for determining the degree of acidity of moist substances. Used in the Beckman circuit (bridge connected). This tube is used as a DC voltage amplifier in this instrument.”
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.324945
label: catalog number
content: 324945
label: accession number
content: 252994
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: 5 in x 1 1/2 in; 12.7 cm x 3.81 cm