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Townsend Wavemeter, by Marconi Company, London, c. 1918
Inventory Number: 78507
Date: c.1918
Maker Details: Signed by Marconi's Wireless Telegraph Co. Ltd.
Inscription: "Marconi's Wireless / Telegraph Co. Ltd. / No 245862 London" on metal plaque on exterior surface.
Size: 155 x 135 x 115 mm (excluding knobs and dials).
Materials: Steel, bakelite?, teak, plastic, cardboard.
Other Given Number(s): Christie's 136, Science Museum Loan 1936-280, 849 / 2 (white tag).
Notes:
Townsend Wavemeter, with assorted bakelite? and steel knobs & dials on upper surface, in open teak case. Table of condensor readings and wave lengths in metres attached with plastic cover to side of case. Table of readings printed on cardboard. Previously catalogued with 'Marconi' Wavemeter Type MP7 (Inv. Num. 49422).
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