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Magnetic Detector, by Marconi Company, London, Early 20th Century

Inventory Number 18289

Acknowledgement: © History of Science Museum, University of Oxford, inv.18289

Item type
Object
Provenance
Presented by the Marconi Corporation.
Primary inscriptions
"MARCONI'S WIRELESS / TELEGRAPH CO. LTD. / NO 32401 LONDON" printed on brass plaque upon upper surface.
Object type
Radio communication
Dimensions
Height: 480mm Width: 130mm Depth: 210mm
Inventory No
18289
Accession Number
2004-9/123

Description

Magnetic Detector, with screw tension adjustment, iron winding key and mahogany base with removable glass-topped lid. With four copper alloy terminals mounted on ebonite blocks, on each side. Terminals are marked E, T, T, A (Earth, Aerial) on each side. Wooden block mounted on top on case with two magnets on each side and copper alloy plaque.

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