De Forest spherical "Audion" radio tube
name: label: maker
content: De Forest Radio Telephone & Telegraph Co.
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 General Electric Research Laboratory, thru W. C. White and J. R. Morgan
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.315632
label: catalog number
content: 315632
label: accession number
content: 220105
label: collector/donor number
content: 129
objectType: label: Object Name
content: triode