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Abraham Lincoln conceived the invention when on two occasions the boat on which he traveled got hung up on obstructions. Lincoln's device was composed of large bellows attached to the sides of a boat that were expandable due to air chambers. Filed on March 10, 1849, Lincoln's patent was issued as Patent No. 6,469 later that year, on May 22.
Abraham Lincoln, a portrait by Mathew Brady taken February 27, 1860, the day of Lincoln's Cooper Union speech in New York City. Lincoln accepted the nomination with great enthusiasm and zeal. After his nomination he delivered his House Divided Speech, with the biblical reference Mark 3:25, "A house divided against itself cannot stand. I believe ...
Édouard-Léon Scott de Martinville ([e.dwaʁ.le.ɔ̃ skɔt də maʁ.tɛ̃.vil]; 25 April 1817 – 26 April 1879) was a French printer, bookseller and inventor.. He invented the earliest known sound recording device, the phonautograph, which was patented in France on 25 March 1857.
[5] [6] In October he patents the first repeating rifle to use metallic cartridges (of his own design) and a spring-fed magazine. [7] May 22 – Abraham Lincoln's patent: Abraham Lincoln is granted a United States patent for a buoyancy mechanism to lift boats over river shoals, the only patent ever granted to a President of the United States. [8]
In “Differ We Must: How Lincoln Succeeded In a Divided America,” Steve Inskeep is taking on one of the most challenging tasks for a biographer by profiling the nation's 16th president. There's ...
[6] The latter won the 2010 Lincoln Prize, was a co-winner of the annual book prize awarded by the Abraham Lincoln Institute, and won the Russell P. Strange Book Award given annually by the Illinois State Historical Society for the best book on Illinois history. Burlingame has edited over a dozen volumes of Lincoln primary source materials.