Philco type 35Z3 half wave vacuum rectifier
date: label: date made
content: ca 1940
name: label: maker
content: Philco
notes: label: Description (Brief)
content: An 8-pin base with center post, metal shell, and glass insulator. T-shaped envelope. Stamped: "35Z3". Philco stamp on envelope under masking tape. Donor’s card reads: “Half wave high vacuum rectifier made for Philco for use with AC/DC radio receivers having series heater strings. Possibly made by Lansdale Tube Co. of Spring City, PA. Heater type filament: 35 volts at .15 ampere. Maximum output 100 milliamperes DC. Lock-in type. See also: https://www.radiomuseum.org/tubes/tube_35z3.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.324454
label: catalog number
content: 324454
label: accession number
content: 252994
objectType: label: Object Name
content: diode
label: Object Name
content: vacuum tube
label: Object Name
content: rectifier
label: Other Terms
content: Electron Tube, Diode; Electron Tubes
physicalDescription: label: Measurements
content: overall: 3 1/8 in x 1 1/4 in; 7.9375 cm x 3.175 cm