Cable type 257 "Speed" vacuum tube
name: label: maker
content: Cable Radio Tube Corp.
notes: label: Location
content: Currently not on view
setName: label: See more items in
content: Work and Industry: Electricity
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.320383
label: catalog number
content: 320383
label: accession number
content: 242605
objectType: label: Object Name
content: vacuum tube
label: Object Name
content: pentode