On the 22nd of February 1763 a town meeting resolved to encourage colonial manufactures and to refrain from importing from England hats, clothing, leather, gold and silver lace, buttons, cheese, liquors, &c. Two years later Jared Ingersoll (1722-1781), who had been sent to England to protest against the Stamp Act, but had accepted'the office of Stamp Distributor on the advice of Benjamin Franklin, was forced to resign his office.
Another class of percussive coal-cutters of American origin is represented by the Harrison, Sullivan and Ingersoll-Sergeant machines, which are essentially large rock-drills without turning gear for the cutting tool, and mounted upon a pair of wheels placed so as to allow the tool to work on a forward slope.
Ingersoll (Chicago, 1873); and there is a Memorial of Horace Greeley (New York, 1873).
A life of Bowditch was written by his son Nathaniel Ingersoll Bowditch (1805-1861), and was prefixed to the fourth volume (1839) of the translation of Laplace.
In 1865 this was elaborated into a separate biography by another son, Henry Ingersoll Bowditch (1808-1892), a famous Boston physician.