1To John Adams from Thomas Young, 2 August 1775 (Adams Papers)
That is, a steam engine (
2To George Washington from Nicholas Cooke, 30 August 1775 (Washington Papers)
...was a skillful technician interested in architecture, electricity, steam engines, and other...
3To Benjamin Franklin from William Blakey, 9 January 1778 (Franklin Papers)
..., and his specialty is the coal-fired steam engine; he has traveled widely in western...
4Franklin’s Journal, [18 December 1780–29 January 1781] (Franklin Papers)
.... The waterworks were to be powered by steam engines, built according to plans furnished by...
5To Benjamin Franklin from Le Roy, [1781 or after] (Franklin Papers)
...(or “machine à feu,” the common terms for steam engine).