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Surveyor's Compass
From the collection of National Museum of American History. Free to download, adapt and use — no permission needed.
About this work
Patent model for W. & L. E. Gurley, "Improvement in Telescope Attachments for Surveyors’ Compasses," U.S. Patent #205,742 (July 9, 1878).
National Museum of American History’s own descriptionCredit lineSurveyor's Compass. W. & L. E. Gurley. National Museum of American History. CC0.
