Below, find Abraham Lincoln's "Application for Patent (March 10, 1849)". Lincoln is the only president to have received a patent. Continue to the bottom for a close reading and analysis of Lincoln's patent letter.
The word cloud above demonstrates the technical nature of Lincoln's Patent letter and the basic idea of Lincolns: to create buoyan chambers in a watercraft of vessel to allow it to avoid sandbars and shoals in otherwise navigable rivers.
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March 10, 1849
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