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Tuning Indicator With Glass Lamp, by Marconi Company, London, Early 20th Century

Inventory Number: 24927

Date: Early 20th Century

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

Inscription: "MARCONI'S WIRELESS / TELEGRAPH CO. LTD. / NO. 37927 LONDON" printed upon brass maker's plaque upon upper surface of plinth.

Size: 165 mm (width) x 165 mm (length) x 105 mm (depth) [maximum dimensions]

Materials: Mahogany, brass, metal alloy, glass, ebonite.

Other Given Number(s): Science Museum Loan 1959-226.


Tuning Indicator With Glass Lamp, mounted vertically upon varnished mahogany plinth base. Tuning indicator consists of rotable lacquered brass dial with ebonite knob connecting with ribbed brass cylinder. Other end of dial connected to bulb-shaped glass lamp with single wire filament. With two lacquered brass terminals upon uppers surface of plinth.

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