RCA type 885 thyratron
date: label: date made
content: ca 1946
name: label: maker
content: Radio Corporation of America
notes: label: Description (Brief)
content: A 5-pin plastic base with domed envelope. Donor’s card reads: “Thyratron made by the Radio Corporation of America for use as a sweep circuit oscillator in cathode ray tube circuits. Filled with an inert gas, this tube may also be used for general control applications where it is desired to actuate the tube with a change in negative grid voltage. Heater 2.5 volts at 2.75 amperes. When used as a relaxation type oscillator, the maximum voltage between any two electrodes is 350 volts. Maximum frequency is 75 cycles per second.”
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.325001
label: catalog number
content: 325001
label: accession number
content: 252994
objectType: label: Object Name
content: Electron Tube
label: Object Name
content: thyratron
label: Other Terms
content: Electron Tube; Electron Tubes
physicalDescription: label: Measurements
content: overall: 4 in x 1 1/2 in; 10.16 cm x 3.81 cm