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Range Finder
From the collection of National Museum of American History. Free to download, adapt and use — no permission needed.
About this work
Patent model for H. S. S. Watkins, "Improvement in Surveying-Instruments," U.S. Patent #213018 (1879). The inscriptions read "WATKINS Field Range Finder -- J. HICKS MAKER, 8 Hatton Garden, London" and "No. 12."
National Museum of American History’s own descriptionSubjects
Credit lineRange Finder. 1870s. J. J. Hicks. National Museum of American History. CC0.
