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National Union Radio Tube Type 12SA7GT With Carton, by National Union, New Jersey, c.1942

Inventory Number: 30961

30961-2t 30961-3t 30961-1t 30961-4t

Date: c. 1942

Maker Details: Signed by National Union.

Inscription: "NATIONAL / UNION / ER MADE IN U.S.A." printed on exterior surface of tube base. See Documents for other inscriptions.

Size: 80 mm in overall length (including base pins)

Materials: Glass, plastic?, steel, assorted metals.

Other Given Number(s): Christie's 216.


National Union Radio Tube (or Valve) Type 12SA7GT, in associated green, white and black printed cardboard carton. Glass valve with black plastic? base, eight steel base pins and one black plastic? central base pin. Previously associated and catalogued with two other similar Lend-Lease radio tubes (Inv. Num.s 47236, 80623).

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