ALS : to Joseph Whipple, 1796 Aug 22.
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Evans, Oliver, 1755-1819
http://n2t.net/ark:/99166/w6gb264n (person)
Born near Newport, Del., Evans received little formal education but taught himself mechanics and mathematics, devoting his life to inventing machines. In 1787 he received a patent from Delaware for a system that automated flour milling; published The Young Mill-Wright & Miller's Guide in 1795; and devoted many years to developing the steam engine, including a steam boat launched in 1805. Evans and his family moved to Philadelphia in 1793 where he remained. From the description of...