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Balance
From the collection of National Museum of American History. Free to download, adapt and use — no permission needed.
About this work
Patent model for Frederick A. Riehlé and Tinius Olsen, “Improvement in Scales,” U.S. Patent. 155,753 (May 29, 1874), assignors to Riehlé Bros.
National Museum of American History’s own descriptionCredit lineBalance. 1874. Riehl. National Museum of American History. CC0.