Sylvania type 35W4 half-wave vacuum rectifier
date: label: date made
content: ca 1948
name: label: maker
content: Sylvania Electric Products Inc.
notes: label: Description (Brief)
content: A 7-pin glass base with tipped T-shaped envelope. Miniature tube. Stamped: "Sylvania / Made in U.S.A.” Donor’s card reads: “Half-wave vacuum rectifier made by the Sylvania Corporation for use in the power supply of AC/DC radio receivers. Heater is provided with a tap for the operation of a low voltage panel light. Heater type: 35 volts at .15 ampere.” See also: https://www.radiomuseum.org/tubes/tube_35w4.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.324886
label: catalog number
content: 324886
label: accession number
content: 252994
objectType: label: Object Name
content: rectifier
physicalDescription: label: Measurements
content: overall: 2 5/8 in x 5/8 in; 6.6675 cm x 1.5875 cm