Loewe type AR23 "Audion" vacuum triode
date: label: date made
content: ca 1926
label: date made
content: ca 1924
name: label: maker
content: Loewe
notes: label: Description (Brief)
content: A triode with a 4-pin base, short pins. Unit in original box. Tipped S-shaped envelope. Horizontally-mounted collector with axially-mounted filament. Marked in red: "Radio". Box labeled: "Loewe-Audion-Valve / Type A.R. 23 / 50-100 Volt Plate voltage / 3,5 Volt Filament voltage / 0,5 Amp. Filament current". Maker: Loewe Radio A.G., Berlin-Steiglitz. References: Tyne: "Saga of the Vacuum Tube," pages 446-450; also https://www.radiomuseum.org/tubes/tube_ar23.html. Chicago Museum #30.467 on tag.
label: Location
content: Currently not on view
setName: label: See more items in
content: Work and Industry: Electricity
creditLine: label: Credit Line
content: from the Museum of Science and Industry (Chicago)
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.330638
label: catalog number
content: 330638
label: accession number
content: 271855
label: collector/donor number
content: 30.467
objectType: label: Object Name
content: Electron Tube, Triode
label: Object Name
content: triode
label: Other Terms
content: Electron Tube, Triode; Electron Tubes
physicalDescription: label: Physical Description
content: cardboard (box material)
label: Measurements
content: unit: 3 1/2 in x 1 3/8 in; 8.89 cm x 3.4925 cm
label: Measurements
content: box: 4 1/2 in x 2 in x 1 7/8 in; 11.43 cm x 5.08 cm x 4.7625 cm