ZOK type VT75A radio tube
date: label: date made
content: ca 1950
notes: label: Description (Brief)
content: British made vacuum tube. Marked: "Patented in England / T44 / VT75A / 40-25 / 10E/387 / ZOK". A screen grid tetrode. Reference: https://www.radiomuseum.org/tubes/tube_vt75a.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.321036
label: catalog number
content: 321036
label: accession number
content: 241556
objectType: label: Object Name
content: tetrode
label: Object Name
content: screen grid tetrode
label: Object Name
content: vacuum tube
label: Object Name
content: electron tube
label: Other Terms
content: Electron Tube; Electron Tubes
physicalDescription: label: Measurements
content: overall: 5 3/4 in x 2 1/4 in; 14.605 cm x 5.715 cm