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 358
ithwhich the balls revolve, they divergemore or less from the central fixedpoint, and push up or draw down themoveable collar; which, being con-nected by a crank with the throttle-valve, thereby regulates with the mostperfect precision the passage of thesteam between the boiler and thecylinder.… … THE GOVERNOR. ^ The parallel motion was first putin practice in the enoine erected forMr. Whitbread : Watt informins; Boiilton (27th October, 1785) that the parallel motion of Whitbreadsanswers admirably. 336 MUEDOCKS MODEL LOCOMOTIVE. Chap. XVL this simple and elegant contrivance tlie engine is…
