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

Inventory Number 49739

Acknowledgement: © History of Science Museum, University of Oxford, inv.49739

Item type
Object
Provenance
Presented by the Marconi Corporation.
Primary inscriptions
"MARCONI'S WIRELESS / TELEGRAPH CO. LTD. / NO. 93283 LONDON" printed on brass maker's plaque upon upper surface. See Documents for full inscriptions.
Object type
Radio communication
Dimensions
Width: 410mm
Inventory No
49739
Accession Number
2004-9/649

Description

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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