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Marconi Crystal Receiver Type 31C, by Marconi Company, London, 1910

Inventory Number 67687

Acknowledgement: © History of Science Museum, University of Oxford, inv.67687

Item type
Object
Provenance
Presented by the Marconi Corporation in 2004.
Primary inscriptions
"TYPE No 31C / MARCONI'S WIRELESS / TELEGRAPH CO. LTD. / NO 222201 LONDON" etched on ebonite surface.
Object type
Radio communication
Dimensions
Height: 235mm Width: 195mm Depth: 340mm
Inventory No
67687
Accession Number
2004-9/98

Description

Marconi Crystal Receiver Type 31C, with lacquered brass fittings on ebonite surface in mahogany? case. With on/off switches for two crystals, battery and jigger, terminals for battery, telephone and assorted parts, and sliding switches for two crystals. With sliding control at side for control of primary jigger winding. Previously associated and catalogued with Marconi Aerial Tuning Inductance Coil (Inv. Num. 47154).

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