Sylvania type 1N22 transistor
name: label: maker
content: Sylvania Electric Products Inc.
notes: label: Description (Brief)
content: This ceramic Sylvania type 1N22 transistor has a contact diode in a lead sleeve. It was made approximately 1944 by Sylvania Electric Products, and received in the Western Union Museum on 23 May 1957 from F. B. Bramhall.
label: Location
content: Currently not on view
setName: label: See more items in
content: Work and Industry: Electricity
creditLine: label: Credit Line
content: from Western Union Corporation
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.294351.028
label: accession number
content: 294351
label: collector/donor number
content: 93-02
label: catalog number
content: 294351.028
objectType: label: Object Name
content: Diode
label: Object Name
content: transistor
label: Other Terms
content: Diode; Solid State Devices
physicalDescription: label: Physical Description
content: lead (part: material)
label: Physical Description
content: metal (part: material)
label: Physical Description
content: ceramic (part: material)
label: Measurements
content: card: 3 in x 5 in x 1/4 in; 7.62 cm x 12.7 cm x .635 cm
label: Measurements
content: sleeve: 1 in x 1/2 in x 1/4 in; 2.54 cm x 1.27 cm x .635 cm
label: Measurements
content: transistor: 1 in x 1/4 in; 2.54 cm x .635 cm