Crane, or Syphon, with an Account of Close's and Venturi's Pully's, White's, Garnett's, &c. Pumps, a great Variety, with Remarks on Pistons, Valves, &c. Pyrometers, by Muschenbroek, Graham, Wedgwood, &c. Ramsden's Machine for dividing Instruments Reversing of Motions, Contrivances for Steam-engines, by Savary, Newcomen, Blakey, Gainsborough, Watt, Hornblower, Cartwright, Murray, Bettancourt, 305 308 |