RCA Cunningham type A-177 "Barkhausen" tube
date: label: date made
content: 1930
label: associated date
content: 1930
name: label: associated user
content: unknown
label: maker
content: Radio Corporation of America
label: maker
content: E. T. Cunningham, Inc.
notes: label: Location
content: Currently not on view
setName: label: See more items in
content: Work and Industry: Electricity
creditLine: label: Credit Line
content: from the Massachusetts Institute of Technology, Dept. of Electrical Engineering, thru John A. Tucker
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.322208
label: catalog number
content: 322208
label: accession number
content: 244197
objectType: label: Object Name
content: Electron Tube, Diode
label: Object Name
content: vacuum tube
label: Other Terms
content: Electron Tube, Diode; Electron Tubes
physicalDescription: label: Measurements
content: overall: 6 in x 2 1/8 in; 15.24 cm x 5.3975 cm