Catalogue
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'Marconi' Amplifier Type GA2, by Marconi Company, London, Early 20th Century
Inventory Number: 47978
Date: Early 20th Century
Maker Details: Signed by Marconi's Wireless Telegraph Co. Ltd.
Inscription: "'MARCONI' / AMPLIFIER / TYPE ____ P.S. NO 2266 A / INST. NO 322122 MARCONI'S WIRELESS TELGRAPH CO. LTD. LONDON" printed on metal plaque upon upper exterior surface of amplifier. See Documents for other inscriptions.
Size: 430 x 240 x 195 mm
Materials: Teak, leather, steel, assorted metals.
Other Given Number(s): Christie's 230.
Notes:
'Marconi' Amplifier Type GA2, in open-fronted teak case with three valve bases (5-pin), USA-made ammeter (units: milliamperes) and tapped inductance control, mounted on vertical steel plate. Remains of leather strap on upper exterior surface.
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