Powell, George May, 1835-1905 [Patents filed through 1859-1864 with patent numbers]
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Gilder Lehrman Collection #: GLC00687.200 Author/Creator: Powell, George May, 1835-1905 Place Written: s.l. Type: Autograph manuscript Date: 1859-1864 Pagination: 2 p. ; 21.2 x 13.3 cm. Order a Copy
On the back is a description of a patent filed 1861/2/19 for a motion device for an artificial leg and ankle.
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