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Record Details

Marconiphone Crystal Junior Receiver Type RB2, by Marconi Company, Chelmsford, 1922

Inventory Number: 99532
Object Type:
Place Created: Chelmsford Essex England United Kingdom Europe
Accession Number: 2004-9/397
Brief Description: Marconiphone Crystal Junior Type RB2 Receiver, made by Marconiphone department of Marconi's Wireless Telegraph Co. Ltd., with alternative galena and carborundum crystals. With steel headphone plugs, steel Aerial and Earth terminals, crystal mounting and nickel-plated components and bakelite knob, all upon ebonite surface. Receiver includes a detachable range block, two Marconi transfers and printed insert in the lid with operating instructions, in mock leather plastic? case. This crystal set, simpler and cheaper than the V2 receiver, was also made by Plessey.
Primary Inscriptions: "MARCONIPHONE / MWTCL [LOGO]" transfer on exterior surface of case lid. "MARCONI CRYSTAL JUNIOR / TYPE R.B.2. A.D.40519 / INST. NO P/B. 2379" printed on celluloid plaque on ebonite surface. "G Marconi [Signature Logo]" transfer on exterior surface of case front. "WAVE LENGTH / 300-450M / A.D. 40526" printed on celluloid plaque upon vertical surface of range block.
Provenance: Presented by the Marconi Corporation.
Collection Group: Marconi Collection
Material(s): Galena
carborundum
ebonite
nickel
celluloid
steel
bakelite
plastic?
Dimensions:
Height Width Depth Diameter Unit
200 140 130 mm

Narratives

Image with multimedia irn 40229Image with multimedia irn 40230Image with multimedia irn 40231

Permalink: http://www.mhs.ox.ac.uk/object/inv/99532