Page:The Kinematics of Machinery.djvu/642

 :Polygon, central, 60.
 * Polygon, spheric central, 77.
 * Poncelet,, 150.
 * Potter's wheel, 208.
 * Pouyer-Quertier, 470.
 * Practical mechanics,.
 * Practical work, 54.
 * Praying mills, 207.
 * Pressure-click, 456.
 * Pressure-organs, 174, 268.
 * Pressure-organs, chaining of, 342, 567.
 * Pressure-organ pairs, 542.
 * Prime-movers, 498, 505, 524.
 * Prime-movers, the first, 225.
 * Primitive boring, 206, 214, 599.
 * Primitive methods of fire-production, 597.
 * Prism chains, 553.
 * Prism pairs, 90.
 * Profiles of elements, determination of, 146.
 * Profiles, cross, 89, 610.
 * Profiles, of screw-thread, 89.
 * Prolate point-paths, 126.
 * Prolate trochoids, 592.
 * Prunier, 477.
 * Puffing Billy, 209.
 * Pull-click, 456.
 * Pulley, the, 279, 604.
 * Pulley block, 577.
 * Pulley-chains, 565.
 * Pulley (fixed), 18.
 * Pulley tackle, 181, 604.
 * Pump-cylinders, 473.
 * Pumps, as ratchet-trains, 477.
 * Push-click, 456.

Q.
 * cylindric crank-chain, 283.
 * Quadric conic crank-chain, 327.
 * Quick return motions, 299, 306.

R.
 * {sc|Rack}}, 268, 537,
 * Rack click-train, 457, 475.
 * Railway-wheels, 171.
 * Ramelli,, 365, 384.
 * Ramey, 427.
 * Rankine, Prof.,.
 * Ratchet-trains, 180, 455, 461, 498.
 * Ratchet-trains, fluid, 476, 479.
 * Receptor, the, 487, 497, 512.
 * Redtenbacber, 14, 38, 451.
 * Reduced centroids, 70.
 * Reduction of chains, 333, 553.
 * Regulator or regulating gear, 514.
 * Reichenbach,.
 * Relative motion, 43, 57, 79.
 * Repsold, 417.
 * Résal,.
 * Restraint against sliding, 98.
 * Restraint against turning, 103.
 * Restraint in closed pairs, 113.
 * Restraint of elements, 96.
 * Retaining-gear, 462.
 * Reversal of pairs, 302.
 * Reverse anti-parallel cranks, 290.
 * Reversed click-train, 459, 479.
 * Reverse cranks, 192.
 * Reversed fluid ratchet-train, 479.
 * Reversing-link, 95, 311, 320.
 * Reversed ratchet-gear, 498, 518.
 * Reverted epicyclic trains, 429.
 * Reverted trains, 426.
 * Reverted wheel-train, 574.
 * Révillion, 422.
 * Revolute pair, see solids of revolution.
 * Rhombus, in higher pairs, 130.
 * Rigg's turning-gear, 200.
 * Rigid elements, table of pairs of, 538.
 * Rivets, 443.
 * Robertson's steam-engine, 551.
 * Robertson's water gearing, 611.
 * Rolling-mill engines, 189.
 * Römer, 155.
 * Root, 378, 411.
 * Ropemaking, 218.
 * Rope-pump, 543.
 * Ropes, 451.
 * Rösky, 384.
 * Rotary engines, 343, 498, 581.
 * Rotation about a point, 76.
 * Rotation, continuous, 207.
 * Roulettes, 152, 592.
 * Routledge, 459.
 * Ruled surfaces, 79, 81, 535.
 * Running-gear, 498.

S.
 * {sc|Safety-locks}}, 467.
 * Samarkan, 222, 228.
 * Schiller, 245.
 * Schwartzkoff's spanner, 320.
 * Schneider, 362.
 * Scoop-wheel, Chinese, 207.
 * Screws, 83, 88, 94, 201, 222, 281, 591.
 * Screw-chain, 440, 546, 555.
 * Screw, endless, 83.
 * Screwed joints, 438.
 * Screwing-machines, 491.
 * Screw pair of elements, 88, 556.
 * Screw and nut, 88, 94.
 * Screw and nut, first use of, 222.
 * Screw-wheel pairs, 536.
 * Secondary centroids, 74, 155.
 * Sector, symbol for, 252.
 * Sector and slot, 295, 310, 321.
 * Segmental wheels, 564.
 * Seller's wheel-cutting machine, 238.
 * Sensible forces,.