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'Marconi' 1˝KW Quenched Spark Gap Transmitter Type QG, by Marconi, London, c. 1920

Inventory Number: 46329

Number of documents: 2


Document Type: Miscellaneous Note

Document Heading: Inscription

Text: 

"'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.


Document Type: Miscellaneous Note

Document Heading: Historical Background

Text: 

This transmitter is understood to have been installed on Marconi's yacht "Elettra" and is featured in photographs of Marconi in the radio room on board the ship. It is similar to the transmitter that was installed in the radio room of the liner Olympic, the sister ship to the Titanic. This transmitter was capable of sending messages over a distance of 4,500 miles.


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