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Description
"B-3-5582" written on outside glass. "USN-5J29 Made in U.S. Federal Tel & Radio" engraved on glass. Used in radar jammers. Possibly manufactured by Federal for General Electric for military contract. See https://www.radiomuseum.org/tubes/tube_5j29.html for more information.
Type
image
Identifier
49B6334B-64A9-4E08-99F5-331552225550 2003-1-853
Subject
Vacuum-tubes Federal Telephone and Radio Company United States. Army. Signal Corps United States. Navy Communications, Military Magnetrons Radar World War, 1939-1945
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