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Triple X-Stopper, by Marconi Company, London, Early 20th Century

Inventory Number: 87224

87224-1t 87224-2t

Date: Early 20th Century

Maker Details: Signed by Marconi's Wireless Telegraph Co. Ltd.

Inscription: "MARCONI'S WIRELESS / TELEGRAPH CO. LTD / NO. 103 LONDON" on brass plaque upon front exterior surface of case.

Size: 220 x 150 x 130 mm (case)

Materials: Ebonite, brass, mahogany, metal alloy.

Other Given Number(s): Christie's 34, Science Museum Loan 1924-502.


Triple X-Stopper, with three sliding contact acceptor circuits arranged in series on ebonite panel in mahogany case.

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