RCA / Cunningham "Radiotron" type 24A screen grid tetrode
date: label: date made
content: ca 1932
name: label: maker
content: Radio Corporation of America
label: maker
content: E. T. Cunningham, Inc.
notes: label: Description (Brief)
content: Plastic base with 5 pins, domed envelope, top contact. Base marked: "RCA / Cunningham / Radiotron" and "Licensed only to extent indicated on carton". Envelope stamped: "Made in / 24A / U.S.A.". Paper label: "Schmiers' / 1806 - 3rd Avenue / Rock Island, Ill. / R.I. 117 R.I. 118 / Date sold / Date tested / Good / Fair / Weak", marking scribbled on label may be "OK'. "80" written in red on tube. Reference: https://www.radiomuseum.org/tubes/tube_24a.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.322516
label: catalog number
content: 322516
label: accession number
content: 241556
objectType: label: Object Name
content: tetrode
label: Object Name
content: vacuum tube
label: Other Terms
content: Electron Tube; Electron Tubes
physicalDescription: label: Measurements
content: overall: 5 in x 1 3/4 in; 12.7 cm x 4.445 cm