Partly-printed DS, signed “F. A. Pratt" and "Amos Whitney,” one page, 11 x 7, 1890. Unissued stock certificate for 100 shares in the Pratt & Whitney Company, signed at the conclusion by Francis A. Pratt as president, with his signature struck through and replaced by Amos Whitney's. In fine condition.
Francis A. Pratt (1827-1902) and Amos Whitney (1832-1920) were mechanical engineers and inventors who co-founded the Pratt & Whitney Company, which manufactured machine tools, tools for the makers of sewing machines, and gun-making machinery for use by the Union Army during the Civil War.
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