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Large Marine Charging Switchboard, by Marconi Company, London, Early 20th Century

Inventory Number: 49739

Date: Early 20th Century

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

Inscription: "MARCONI'S WIRELESS / TELEGRAPH CO. LTD. / NO. 93283 LONDON" printed on brass maker's plaque upon upper surface. See Documents for full inscriptions.

Size: 560 mm (length) x 410 mm (width) x 235 mm (depth) [maximum dimensions]

Materials: Ebonite?, metal alloy, glass, brass, assorted metals.

Other Given Number(s): Science Museum Collection 1959-231.


Large Marine Charging Switchboard, with voltmeter, mounted upon black-painted ebonite? board with support legs. With multiple springs mounted horizontally upon upper surface. With voltmeter in black-painted metal alloy glass-fronted cylindrical case with half-moon dial marked 0, 5, 10, 15, 20, 25, 30 volts. Also with two bulb-shaped lamps mounted on lacquered brass mountings, eight lacquered brass terminals, a double-mounted ebonite? slide switch, and two main control switches (marked Accumulators/Mains and Charge/Discharge respectively) all upon upper surface. With brass maker's plaque.

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