Marconiphone Crystal Junior Receiver Type RB2, by Marconi Company, Chelmsford, 1922 | |||||||||||
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| Inventory Number: | 99532 | ||||||||||
| Object Type: | | ||||||||||
| Place Created: | Chelmsford Essex England United Kingdom Europe |
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| 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: |
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Permalink: http://www.mhs.ox.ac.uk/object/inv/99532