Lives of Boulton and Watt. Principally from the original Soho mss. Comprising also a history of the invention and introduction of the steam engine (1865)
Smiles, Samuel, 1812-1904 · Philadelphia, J. B. Lippincott and company; · leaf 94
hich a few hours work of the machine woulddo. Besides, I know engines that are driven by thesame power as this is, where materials for the purposeare dearer than in any navigable river in England;therefore experience demonstrates that the expense willbe but a trifle to the value of the work… … JONATHAN HDLLSS STEAM-BOAT. ^ In describing his mode of obtain-ing rotary motion by ratchet wheels,a weight, and ropes, Hulls states that he uses two axes, one behind theother, each of which is essential tothe object ; and he then adds, that 74 UNSATISFACTORY TRIAL. Chap. IV. The inventor, aware of…