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STC Radio Tube Type 6J5G, by STC, England, Mid 20th Century

Inventory Number: 59723

Date: Mid 20th Century

Maker Details: Signed by Standard Telephones and Cables Ltd. (STC).

Inscription: "S.T.C. 101" etched on base surface. "6J5G.N. / 10 E/348" etched on base surface. "6J / 5G" printed on exterior surface of bulb.

Size: 110 mm in overall length (carton)

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

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


STC Medium-Mu Triode Radio Tube (or Valve) Type 6J5G, in plain umarked cardboard carton. Glass tube with black plastic? base. With six steel base pins and one central black plastic? base pin. Lower part of tube blackened and silvered, probably due to use.

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