Toshiba type UY-807-A beam power tetrode
date: label: date made
content: ca 1943
name: label: maker
content: Toshiba
notes: label: Description (Brief)
content: A metal 5-contact base with top contact, T-shaped envelope. Donor’s card reads: “Beam power tetrode for transmitting purposes of Japanese manufacture during World War II. [Possibly made by Toshiba.] Electrically similar to the US type 807 [catalog number 324465] but of less efficient construction. Heater type: 6.3 volts at .9 amp. Class C radio frequency amplifier use: Plate 600 volts at 100 milliamperes, 300 volts on the screen, 85 volt negative control grid bias, for an output of 44 watts.” See also: https://www.radiomuseum.org/tubes/tube_uy807a.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.324735
label: catalog number
content: 324735
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: 4 1/2 in x 1 1/8 in; 11.43 cm x 2.8575 cm