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History of Science Museum

Marconi Aerial Tuning Inductance Coil, by Marconi Company, English, 1910

Inventory Number 69155


Acknowledgement: © History of Science Museum, University of Oxford, inv.69155

Item type
Object
Provenance
Presented by the Marconi Corporation.
Primary inscriptions
None
Object type
Radio communication
Dimensions
Diameter: 210mm Height: 270mm
Inventory No
69155
Accession Number
2004-9/96

Description

Marconi Aerial Tuning Inductance Coil, for use with Marconi Crystal Receiver Type 31C. Cylindrical shape consists of a winding of insulated copper wire fitted with copper alloy adjustable slide contact. One end of winding and slide contact are connected to pair of nickel-plated terminals mounted on teak(?) top of receiver. Winding constitutes an adjustable aerial tuning inductance that forms part of aerial circuit of the receiving system. Previously catalogued and associated with Marconi Crystal Receiver Type 31C (Inv. Num. 21573).