The Theory of simple machines and in particular of the inclined plane, of the wedge and screw, and other machines compounded of these simple ones, finish’d.
“April 8th. 1754.,” Founders Online, National Archives, https://founders.archives.gov/documents/Adams/02-01-02-0009-0001-0005. [Original source: The Adams Papers, Earliest Diary and Autobiography of John Adams, June 1753 – April 1754, September 1758 – January 1759, ed. L. H. Butterfield. Cambridge, MA: Harvard University Press, 1966, p. 63.]