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History of Science Museum

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

Inventory Number 18119


Acknowledgement: © History of Science Museum, University of Oxford, inv.18119

Item type
Object
Provenance
Presented by the Marconi Corporation
Primary inscriptions
"MARCONI'S WIRELESS / TELEGRAPH / CO. LTD. / NO 59773 / LONDON" printed on brass plaque upon upper exterior surface.
Object type
Radio communication
Dimensions
Height: 241mm Width: 542mm Depth: 207mm Weight: 6.4kg
Inventory No
18119
Accession Number
2004-9/53

Description

Magnetic Detector, with ebonite, brass and steel screw tension adjustment, two pulleys. One pulley has brass hand-knob while other has nickel-plated winding crank. Two rows of four brass terminals on ebonite surfaces, each row marked "E" (Earth), "T", "T", "A" (Aerial). All mounted on teak case. Missing start knob and glass case.