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'Marconi' 1½KW Quenched Spark Gap Transmitter Type QG, by Marconi, London, c. 1920

preview image for 'Marconi' 1½KW Quenched Spark Gap Transmitter Type QG, by Marconi, London, c. 1920
Inventory Number: 46329
Object Type:
Place Created: London England United Kingdom Europe
Accession Number: 2004-9/591
Brief Description: Marconi' 1½KW Quenched Spark Gap Transmitter Type QG, with eight-plated quenched spark gap, four flat copper-strip inductance coils with movable leads, glass-fronted half-moon ammeter (scale 0-15amperes), three-position adjuster switch, nickel-plated guard rail, porcelain insulators, and cast iron nameplate, all on mahogany baseboard.
Primary Inscriptions: "MARCONI'S WIRELESS TELEGRAPH / CO LTD LONDON" embossed upon cast nameplate. "'MARCONI' / TRANSMITTER / TYPE No. Q.G. P.S. No. 1434 E-INST. No. 356546" printed on metal plaque upon lower left-hand side front exterior surface. "NOTICE / VARIOUS PARTS OF THIS INSTALLATION / & METHOD OF WORKING ARE PATENTED / IN MANY COUNTRIES / MARCONI'S WIRELESS TELEGRAPH CO. LTD. / LONDON." printed on metal plaque upon lower right-hand side front exterior surface. "AMPERES / No. 356024 PAT. APP. FOR. / 'MARCONI'" printed on interior face of ammeter.
Provenance: Presented by the Marconi Corporation.
Collection Group: Marconi Collection
Material(s): Steel
Iron
Nickel
Porcelain
Copper
Assorted Metals
Dimensions:
Height Width Depth Diameter Unit
600 490 750 mm

Narratives

Image with multimedia irn 37554

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