British engineer (1736-1819) who developed an efficient steam engine which was a universal source of power and provided one of the most essential technological components of the early industrial revolution. The unit of power known as a 'watt' was named after him. ALS, one page, 7.5 x 10, August 6, 1812. Handwritten letter to Franklin Lewis, responding to a matter concerning his properties. In part: "I should be exceedingly sorry to stand in the way of any arrangement for the publick quad, but…it appears that it would prove highly detrimental to my farms…As however it concerns my son much more than it does me…whatever he agrees to I shall acquiesce in. He is now in London…it is probably he may delay coming to any conclusion until he returns. Mrs. Watt joins me in best compliments to you." In fine condition.
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