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'Marconi' Auto-Alarm Selector Type 333, by Marconi Company, London, c. 1920

preview image for 'Marconi' Auto-Alarm Selector Type 333, by Marconi Company, London, c. 1920
Inventory Number: 22770
Object Type:
Place Created: London England United Kingdom Europe
Accession Number: 2004-9/40
Brief Description: 'Marconi' Auto-Alarm Selector Type 333, for use with Marconi Auto-Alarm, in grey painted metal case with glazed top. Glazed top reveals interior showing aluminium and brass apparatus marked C, D, H, G, Z, Q & I. On side of object are two terminals (respectively marked "BRIDGE BELL / KEY" and "TEST KEY") and three sockets (respectively marked "DASH RELAY F <-> S", "SIGNAL RELAY" and "SPACE RELAY F <-> S"). For maritime use. Previously catalogued and associated with 'Marconi' Auto-Alarm Receiver Type 332 (Inv. Num. 41271), 'Marconi' Auto-Alarm Buzzer Type 225 (Inv. Num. 34759), 'Marconi' Auto-Alarm Bell Type 117 (Inv. Num. 14147), 'Marconi' Auto-Alarm Morse Key Type 316A (Inv. Num. 82360).
Primary Inscriptions: "'MARCONI' AUTO ALARM SELECTOR / TYPE 333 P.S. NO 2106 A / INST NO 354327 / MARCONI'S WIRELESS TELEGRAPH CO. LTD. LONDON" printed on metal plaque on side exterior surface.
Provenance: Presented by the Marconi Corporation.
Collection Group: Marconi Collection
Material(s): Metal
brass
steel?
aluminium
glass.
Dimensions:
Height Width Depth Diameter Unit
265 245 205 mm

Narratives

Image with multimedia irn 14300Image with multimedia irn 35394Image with multimedia irn 35395Image with multimedia irn 35396Image with multimedia irn 35397

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