Western Electric type 211E transmitting triode
date: label: date made
content: ca 1926
name: label: maker
content: Western Electric
notes: label: Description (Brief)
content: An air-cooled transmitting triode with a plastic 4-pin base, tipped T-shaped envelope. Marked on tube: "Western Electric (/) made in u.s.a. (/) 211-E (/) patent (/) 1209324 RE14572 1303579 1307510 1329283 1353976 1419528 1432867 1456528 1463860 1464104 1479991 1491362 1536855 1542366 1542385 1590352 1605230 1613630 1647994 1673008 / Pat. Pend.. Marked on paper label: ERPI (/) tested 11-29-29 (/) installed (/) engineer. F. Winkles (/) removed hrs." Serial number "2252".
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.RSN79712N18
objectType: label: Object Name
content: Electron Tube
label: Object Name
content: triode
physicalDescription: label: Measurements
content: overall: 7 1/2 in x 2 in; 19.05 cm x 5.08 cm