Arcturus type 127A vacuum triode
date: label: date made
content: ca 1927
name: label: maker
content: Arcturus
notes: label: Description (Brief)
content: Five-pin plastic base with tipped blue S-shaped envelope. Stamped on base: “Arcturus / Detector / No. 127 / Made in U.S.A.” Donor’s card reads: “Triode, heater type, made by Arcturus Radio Company, 255 Sherman Avenue, Newark, N.J. in 1926 or 1928. Similar and interchangeable with the UX-227 [catalog number 324398]. An early tube for AC operated radio receivers made by an independent manufacturer, but of reasonably good quality. Arcturus tubes of this period were readily identified by the bright blue glass envelopes. Heater type filament, 2.5 volts at 1.75 amperes. 250 volts maximum plate voltage. 21 volts maximum negative control grid bias. See also: https://www.radiomuseum.org/tubes/tube_127.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.324422
label: catalog number
content: 324422
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 3/4 in; 12.7 cm x 4.445 cm