RCA type 35 screen grid tetrode
date: label: date made
content: ca 1931
name: label: maker
content: Radio Corporation of America
notes: label: Description (Brief)
content: A plastic 5-pin base with top contact, single-layer screen grid, domed envelope. Stamped on envelope: “35”. Donor’s card reads: “Tetrode made by the Radio Corporation of America. Designed with remote cutoff characteristics for use as a radio frequency amplifier or mixer in AC operated radio receivers. Heater: 2.5 volts at 1.75 amperes, 180 volts on the plate, 90 volts on the screen, and a 3 volt negative control grid bias.”
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.324533
label: catalog number
content: 324533
label: accession number
content: 252994
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