Concert Master type 201A tube
date: label: date made
content: ca 1928
name: label: maker
content: Continental Corp.
notes: label: Description (Brief)
content: A 4-pin plastic base with long pins, tipless S-shaped envelope, blue. Wire shielding wrapped around lower 75% of envelope. Decal on wire: "Concert / [lyre logo] / Master"; "C" stamped on base. Made by Continental Corporation, Chicago. Reference: Tyne, "Saga of the Vacuum Tube," page 353.
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: ZZ.RSN79803T21
objectType: label: Object Name
content: Electron Tube
label: Object Name
content: triode
physicalDescription: label: Measurements
content: overall: 4 5/16 in x 1 5/8 in; 10.9855 cm x 4.1275 cm