Keywords: James Watt's straight-line linkage.jpg en James Watt's mechanisms for guiding the upper end of the piston rod of a double-acting engine British Patent 1432 April 28 1784 Top Figure 9 top left 2013-05-12 18 46 33 Figure 9 ”Watt's mechanisms for guiding the upper end of the piston rod of a double-acting engine British Patent 1432 April 28 1784 Top left straight-line linkage Reproduced in Mechanical Inventions of James Watt Volume III James Patrick Muirhead 1864 John Murray Immediate source http //www gutenberg org/files/27106/27106-h/27106-h htm Kinematics of Mechanisms from the Time of Watt Ferguson Eugene S An article in the United States National Museum Bulletin 228 paper 27 pp 185-230 Washington Smithsonian Institution Press 1962 James Watt PD-US PD-old-70-1923 Uploaded with UploadWizard Watt's linkage |