- Item type
- Object
- Provenance
- Presented by the Marconi Corporation.
- Primary inscriptions
- Marconi's Telegraph Co Ltd No 145859 London' on brass plaque and 'Top' and 'Slider' on brass plaques next to the nickel plated terminals. '18C' inscribed on wood.
- Object type
- Radio communication
- Dimensions
- Diameter: 248mm Height: 304mm
- Inventory No
- 47154
- Accession Number
- 2004-9/97
Description
Marconi Aerial Tuning Inductance Coil, for use with Marconi Crystal Receiver Type 31C. Cylindrical shape consists of winding of insulated copper wire fitted with brass adjustable slide contact. One end of winding and slide contact 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 associated and catalogued with Marconi Crystal Type Receiver Type 31C (Inv. Num. 67687).
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Marconi Crystal Receiver Type 31C, by Marconi Company, London, 1910Inventory Number 67687