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Lord Kelvin's Multicellular Voltmeter, by Kelvin Bottomley & Baird Ltd, Britain, 1920s
Inventory Number: 47607
Date: 1920s
Maker Details: Signed by Kelvin Bottomley & Baird Ltd.
Inscription: "KELVIN BOTTOMLEY & BAIRD LTD. ..." printed on vertical surface of multiplier. See Documents for other inscriptions.
Size: 365 x 265 x 300 mm (carrying case)
Materials: Teak, glass, steel, bakelite, ebonite, brass, iron.
Other Given Number(s): Christie's 155.
Notes:
Lord Kelvin's Multicellular Voltmeter, with crinkle-black finish upon steel tripod base. In teak carrying case with interior baize-lining, and iron handle. With half-moon, glass display, non-linear scale for Volts (scale 0-120), and vertically mounted voltmeter multiplier on ebonite surface with bakelite knobs. With bakelite dials marked Zero and Clamp, on upper surface. With brass maker's plaque, and spirit level.
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