- 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).
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Marconi Crystal Receiver Type 31C, by Marconi Company, London, 1910Inventory Number 67687