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43. The Palmer arm and leg: adopted for the U.S. Army and Navy by the Surgeon-General, U.S.A., and by the Chief of the Bureau of Medicine and Surgery : manufactured only under the direction of the inventor and patentee

47. Argument in behalf of the extension of the patent of B. Frank Palmer for an improvement in artificial legs, dated November 4th. 1846 before the Hon. Philip F. Thomas, Commissioner of Patents: hearing, 22d October, 1860