Note 368 — Chapter XXI · Application of Steam-power to Navigation—Miller and Symington—Boulton and Watt’s Engine adopted by Fulton.
Reading edition
Boulton to Sir John Dalrymple, 26th March, 1788. The “one purpose” alluded to by Boulton is supposed to have been the Torpedo, then a favourite scheme with French inventors for blowing up English ships.