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'Marconi' Wavemeter Type MC1, by Marconi Company, London, Early 20th Century
Inventory Number: 37590
Date: Early 20th Century
Maker Details: Signed by Marconi's Wireless Telegraph Co. Ltd.
Inscription: "'MARCONI' / WAVEMETER / TYPE MC1 P.S. 2008 B. / INST. NO 403835 / MARCONI'S WIRELESS TELEGRAPH CO. LTD. LONDON" on brass plaque attached to outer casing.
Size: 400 mm (in height) x 290 mm (in diameter)
Materials: Brass, mahogany?, ebonite, bakelite, nickel, copper.
Other Given Number(s): Christie's 185.
Notes:
'Marconi' Wavemeter Type MC1, with circular lacquered brass casing and ebonite surface, worm-operated vernier scale at base, valve base at top and additional three-valve unit replacing the ammeter. With nickel-plated terminals on side for High Tension battery and Low Tension accumulator and connections for loudspeaker, and bakelite earphone plug on rear of mahogany frame. With cooper frame on front of cylinder, and on tripod legs.
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