Parallel motion, construction of, 132. Percy, Capt. evidence by, App. 77. Piston, description of, 123; improved by Woolf, 125; ex- Plug-frame, its application, 31, 154. Pontifex, Savery's engine improved by, 145, 149. Portable steam engine constructed by Mr. Smeaton, 35. Report of Committee upon steam navigation, 118; upon steam Richter, Mr. evidence upon steam navigation by, 103. Rotatory engine, suggested by Kempel, &c. 42; improved by Rogers, Capt. evidence by, App.69. Sadler, Mr. rotatory engine by, 9. Safety-valve, its use, 140. Vide STEAM NAVIGATION. Savery, Captain, obtains a patent for a new mode of raising Smeaton, Mr. portable steam engine, constructed by, 35. Snifting-valve described, 151. Soho, described by Mr. Darwin, 30. Sovereign steam-packet, App. 66. Steam, phenomena connected with the formation of, 2, 3. Steam-navigation, first suggested by Hulls, 54; attempted by Steam navigation, witnesses examined by Committee of House G Tier, Mo June, vine is invenes i de semm Womy, improved ramry engine by. Lop. 11. 35. Trout, do teranenue and expansive forms of scam 1o, 30; vouta sa a prime more, 4, 5, 6, 7; varicus editions of his Wight, Mr. evidence upon steam navigation by, 102. THE END. J. and T. Bartlett, Printers, Oxford. 1 |