Catalogue
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Potentiometer For Marconi Five-Valve Receiver, by Marconi Company, London, 1922
Inventory Number: 57736
Date: 1922
Maker Details: Attributed to the Marconi Scientific Instrument Co. Ltd.
Inscription: "PATENT / NO 567850" on side of copper cylinder.
Size: 700 mm (in diameter) x 600 mm (in height)
Materials: Bakelite?, copper, brass?, steel.
Other Given Number(s): Christie's 172.
Notes:
Potentiometer for Marconi Five-receiver'>Valve Receiver, with steel terminal and unattached wire on bakelite? surface upon upper surface of copper cylinder, with brass? base. Previously catalogued and associated with Marconi Five-receiver'>Valve Receiver (Inv. Num. 71494).
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