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DescriptionH.W.Sullivan Galavanometer London.jpg
English: Galvanometer by H.W. Sullivan, London. late 19th or early 20th century. This galvanometer was used at the transatlantic cable station at Halifax, Nova Scotia, Canada.
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2010-12-20 02:11 Williamgelbart 850×1119× (388429 bytes) Galvanometer by H.W. Sullivan, London. late 19th century. This galvanometer was used at the transatlantic cable station in Halifax, Nova Scotia, Canada.
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