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Cylindrical Reflecting Vertical Galvanometer, by H. Tinsley & Company, London, c. 1925
Inventory Number: 55299
Date: c. 1925
Maker Details: Signed by H. Tinsley & Co.
Inscription: "H. TINSLEY & CO. / LONDON S.E. / No 13689" printed on side exterior surface of base. "LINK IN APERIODIC / LINK OUT BALLISTIC" printed on side exterior surface of base.
Size: 170 mm (in diameter) x 250 mm (in height, including slim vertical cylinder)
Materials: Brass, glass, copper, bakelite.
Notes:
Cylindrical Reflecting Vertical Galvanometer, in lacquered brass case upon bakelite base with three legs for leveling. With slim vertical lacquered brass cylindrical tube on upper surface of cylinder. With circular glass window upon side of case revealing lower section of slim vertical tube. With three lacquered brass terminals and copper component upon upper surface of base. Usually made of black enamelled metal, this is an unusual model. Used to measure electrical current.
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