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Binocular Eyepiece
From the collection of National Museum of American History. Free to download, adapt and use — no permission needed.
About this work
Patent model for Robert B. Tolles, “Binocular Eyepiece for Microscopes,” U.S. Patent 56,125 (July 3, 1866). Tolles (1823-1883) was an optical instrument maker then living in Canastota, New York.
National Museum of American History’s own descriptionSubjects
Credit lineBinocular Eyepiece. National Museum of American History. CC0.