Majestic Surgical type 11 triode
name: label: maker
content: unknown
notes: label: Description (Brief)
content: Marked: "Majestic Surgical Instrument / Made in U.S.A. / No. 11", insulator marked: "CV11 / 7L 1000", written on bottom: "?" and "short". This appears to be a transmitting triode for higher power use. Metal 4-pin base with ceramic insulator, T-shaped envelope with top contact. Ceramic insulators on stem structure.
label: Description (Brief)
content: Majestic Surgical Instrument Co., Chicago. Company registered US Trademark 378444 for a "short wave therapeutic apparatus," published 2 April 1940. This tube may be associated with that apparatus.
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.321070
label: catalog number
content: 321070
label: accession number
content: 241556
objectType: label: Object Name
content: triode
label: Object Name
content: vacuum tube
physicalDescription: label: Measurements
content: overall: 7 1/4 in x 2 in; 18.415 cm x 5.08 cm