Western Electric type 211E transmitting triode

Object Details

Description (Brief): 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".
Location: Currently not on view