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Giant Radio Valve, by GEC, England, 1910s

Inventory Number: 70075

70075-1t 70075-2t

Date: 1910s

Maker Details: Signed by GEC.

Inscription: "GP 50 / MADE IN / 10 / G.E.C. / 240V 10000W / ENGLAND / FOR 3200K FILM" printed on upper surface of exterior surface of bulb.

Size: 420 mm in overall height (including base pins)

Materials: Glass, polymer, brass, plastic?, nickel.


Giant Glass Radio Valve, with dense polymer-type material base, and two brass base pins. Base has numerous circular holes and protruding lower section with base pins. Lower section of valve is oranged, possibly from use. Large glass bulb reveals interior with plastic? connections, nickel-plated frame and eight spring-type connections. Very unusual type of valve, designed for large values of electricity and power.

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