RCA type 954 “acorn” pentode
date: label: date made
content: 1935
name: label: maker
content: Radio Corporation of America
notes: label: Description (Brief)
content: A double-ended cylindrical glass tube no base, single contact on either end, three contacts on one side, two contacts on the other. Donor’s card reads: “Pentode made by the Radio Corporation of America in the early 1930s. This tube came from WCAU transmitter at Newtown Square in 1935. Designed for use by experimenters and amateurs working with wavelengths as short as .7 meter. “Acorn” type envelope. Designed for use as a detector or as an amplifier. Heater type filament: 6.3 volts at .15 ampere. Plate voltage 250 maximum. Suppressor and screen voltage: 100; negative control grid bias 3 volts; amplification factor “over 2000”, plate resistance “over 1.5 megohms”.”
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.324470
label: catalog number
content: 324470
label: accession number
content: 252994
objectType: label: Object Name
content: Electron Tube
label: Object Name
content: vacuum tube
label: Object Name
content: pentode
label: Other Terms
content: Electron Tube; Electron Tubes
physicalDescription: label: Measurements
content: overall: 1 3/4 in x 1 1/4 in; 4.445 cm x 3.175 cm