Sylvania / Sears type 1B3GT "Silvertone" 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 plastic base with center post, top contact, T-shaped envelope, in original box. Stamped on base: "Silvertone / Made in U.S.A. / 31 2 / 1B3 / GT / R / Guarantee / We guarantee / this tube to / give perfect / satisfaction / for one year / Sears / Roebuck and Co." Written on envelope: "Sep / 57[?]" License notice printed inside box refers to Sylvania Electric Products, Inc. Reference: https://www.radiomuseum.org/tubes/tube_1b3gt.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 Franklin Wingard
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.241556.812
label: accession number
content: 241556
label: catalog number
content: 241556.812
objectType: label: Object Name
content: rectifier
physicalDescription: label: Measurements
content: tube: 3 3/4 in x 1 1/4 in; 9.525 cm x 3.175 cm
label: Measurements
content: box: 4 7/8 in x 1 5/8 in x 1 3/4 in; 12.3825 cm x 4.1275 cm x 4.445 cm