Ostar type EG50 half-wave vacuum rectifier
date: label: date made
content: ca 1931
name: label: maker
content: Gustav Ganz & Co.
notes: label: Description (Brief)
content: Made by Gustav Ganz & Co., Vienna, Austria. A half-wave vacuum rectifier for a power supply in original box. 110 volt rating. Reference: https://www.radiomuseum.org/tubes/tube_eg50.html. See also, Reference: Tyne, "Saga of the Vacuum Tube," pages 463-465.
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.320981
label: catalog number
content: 320981
label: accession number
content: 241556
objectType: label: Object Name
content: Electron Tube
label: Object Name
content: vacuum tube
physicalDescription: label: Physical Description
content: cardboard (box material)
label: Measurements
content: box: 4 1/2 in x 2 1/2 in x 2 1/2 in; 11.43 cm x 6.35 cm x 6.35 cm
label: Measurements
content: tube: 4 1/4 in x 2 1/4 in; 10.795 cm x 5.715 cm