WE experimental shielded triode tube
Date1930-1940
Inventory NumberVT0207
ClassificationVacuum Tube
Maker
Western Electric Company
1869 - 1995
Cultural Region
Place of Origin
Dimensions8.6 × 3.5 × 3.5 cm (3 3/8 × 1 3/8 × 1 3/8 in.)
DescriptionX-RAY SHOWS BOLO STRUCTURE - SEE DWG.
Triode, metal base and cover, 4 pin base with locator pin on side.
Triode, metal base and cover, 4 pin base with locator pin on side.
Inscribedprinted in blue on base: 45
etched on base: PAT. IN U.S.A. / 1-15-07 TWO PATENTS / 2-18-08; 4-27-15 / 12-19-16 / PAT. APPLIED FOR
FunctionExperimental?
Raytheon Manufacturing Company
Date: 1929-1933
Object number: VT1393
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Object number: VT1378
Westinghouse Electric & Manufacturing Company
Date: 1922
Object number: VT1143
