Tangent GalvanometerLarge, single brass loop, tangent galvanometer. Made by Townson and Mercer. Loop is 29cm approx. Late 19th century
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Scientific & Medical AntiquesOld Technology & Books |
Tangent GalvanometerLarge, single brass loop, tangent galvanometer. Made by Townson and Mercer. Loop is 29cm approx. Late 19th century
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