21st Sep, 2017 12:00
Fine Instruments of Science & Medicine
A Galvanometer
by Siemens Bros. & Co., glazed lacquered brass frame mouted on mahogany base, with three levelling screws, scale divided to one degree in four quadrants, needle suspended on an adjustable silk thread, height 19cm
by Siemens Bros. & Co., glazed lacquered brass frame mouted on mahogany base, with three levelling screws, scale divided to one degree in four quadrants, needle suspended on an adjustable silk thread, height 19cm
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Auction: Fine Instruments of Science & Medicine, 21st Sep, 2017
