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Depth Sounder (Weight)
From the collection of National Museum of American History. Free to download, adapt and use — no permission needed.
About this work
William Thomson, a noted physicist and engineer in Glasgow, Scotland, designed various instruments for navigation at sea. This weight is part of is the model he submitted with his application for a U.S. patent for a deep sea sounding apparatus.
National Museum of American History’s own descriptionCredit lineDepth Sounder (Weight). 1878. National Museum of American History. CC0.
