Administrator who served as secretary of state in President Abraham Lincoln’s cabinet (1816–1889). Partly-printed DS, signed “J. P. Usher,” two pages, 14.5 x 20, December 15, 1863. Patent document issued to Seth Whalen of New York, for a “new and useful Improvement in Turbine Water Wheels…which he states has not been known or used before his application.” Signed at the conclusion by Usher as secretary of the interior, and countersigned by John L. Hayes as acting commissioner of patents. Page retains its crisp seal affixed to the lower left. The second page, still attached with its original pink ribbon, contains a detailed description of the patent signed by Whalen, stating that his design modifications to turbines are able to prevent leakage and generate a larger amount of power. A detailed blueprint of the invention, signed by Whalen, is also attached between the document’s pages. Included as well is an off-white 9.5 x 11 sheet featuring original hand-drawn schematic diagrams of the apparatus. In overall fine condition. Accompanied by the original transmittal envelope. Pre-certified PSA/DNA.
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