None
282, 348 centrifugal, 117 cleaning, 1 18 598 INDEX Screen, installation, 120 chip, 89 diaphragm, 282 rotary, 289 Screen plate, screwless, 288 Screen plate fastener, 287 Screen room, record, 468 Screenings chest, 119 Screenings grinder, 119 Screenings press, 119 Seam, dryer felt, 332 Settling tank save-all, 354 Shake, Fourdrinier machine, speci- fications, 362 Shake rail, specifications, 361 Shaker chip screen, 91 Sheet cutter, 383 Shipment, 387 Showers, Fourdrinier machine, specifications, z^^ Silica, in clay, determination, 2^7 Silicate of soda, 252 Sizing, 241, 245 Slasher, 57 labor required, 60 performance, 60 power requirement, 60 Slasher chain, 59 Slices, apron, Fourdrinier machine, 294 "Slip," strength of, 234 Slitter, 339 specifications, 368 Slitting, 379 Sliver screen, 187 Smith forced draft equipment, 426 Smoothing press rolls, Fourdrinier machine, 314 Soda process, 3, 146 recovery systems, 154 recovery systems, efficiency, 170 Softening, waste paper, 38 Soot blower, 432 Sorting, rags, 24 waste paper, 33 Speed, pulp stone, effect on prod- uct, 191 Splitter, 67 Spruce, 8 cellulose percentage, 6 Stacker, wood storage, 75 Starch, 253 Steam, books on, 411 distribution system, 438 Farnsworth, 439 flow meter, 436 piping for, 391 pressure, 436 pressure gauge, 430, 435 superheated, sulphite digesters, 142 Steam, use in bleaching, 215 Steam mains, 438 repairs, 443 Steam plant, 389, 411 Steam supply, sulphite digester, 103 Stebbins milk-of-lime system, 135 Stock chest, 257 Stock pump, 187 power requirement, 259 Stoker, automatic, 421 advantages, 423 capacity required, 428 engine for driving, 425 Storage, 385 "Strainers," 282 Straw, II, 20 analyses, 20 cellulose percentage, 6, 20 Strawboard, manufacture, 21 String catcher, in beater, 225 Suction box, Fourdrinier machine, 304, 351 specifications, 361, 373 Suction couch rolls, Fourdrinier machine, 311 Suction press rolls, Fourdrinier machine, 314 Sulphate liquor, composition, 176, 182 Sulphate mill, interior, 178 Sulphate process, 3, 176 Sulphite process, 2, 95 acid plant, 126 acid strength required, 140 chemistry, 97 cooking, 13. 105 experimental cooks, 13-19 Morterud method, no Sulphur, 127 per ton sulphite pulp, 142 Sulphur burner, 129 rotary, 130 Sulphur dioxide, absorption, 134 comparison of systems, 138 solubility in water, 143 Surge tank, on hydraulic system, ground wood mill, 197 Swing saw, 62 Table rolls, Fourdrinier machine, 303. Turbine, steam, individual drive for Fourdrinier machine, 448 Umpherston beater, 265 Valves, in piping system, 392 Ventilation, 400 Venturi meter, 436 Vesuvius sulphur burner, 131 Vomit pipe, blow pit, 11 1 Wall paper, 52 weights, 53 Walpole outward flow rotary screen, 292 Washing, in blow pit, 112 rags, 30 soda process, 149 sulphate process, 180 Waste material, for paper stock, 32 Waste paper, de-inking, 35 for paper stock, 32 grades, 33 re-manufacture, 34 softening, 38 sorting, 33 Water, pifrification, 406 Water glass, 252 Water pipe, Fourdrinier machine, specifications, 362 Water supply, ground wood mill, 188 Water supply, paper plai.t, 406 Weaving devices, 348 Webb paper tester, 464 Wedge pyrites furnace, 144 Wet felt, 308, 317 Wet machine, 123 ^ *:White liquor." See White water "White water," stock in, record, 470 use, 236 Widney paper testing machine, 463 Willesden paper, 49 Willow, cellulose percentage, 6 "Willow," rag dusting machine, 25 Winestock process, 36 Winder, 339 specifications, 368 Wire, Fourdrinier. See Fourdrin- ier wire Witham paper testing machine, 463 Witham screwless screen plate fastener, 288 Witham-McEwen save-all, 355 Wood, cellulose percentage, 5 consumption, paper making, 9-10 by States, 1918, 10 Wood, ground. See Ground Wood Wood, pulp, per ton paper, 70 weight of cord, 79 yield per tree, 71 pulp making properties, 13-19 quality, for mechanical pulp, 185 storage, 72 protection from flood, 389 varieties for various papers, 8 Wood pile, 72 Wood pond, 79 Wood pulp. See Pulp Wood room, 72 Wrapping, paper bundles, 381 Wrapping paper, 44 Writing paper, 40, 43 Yankee machine, 342 Yaryan evaporator, 157 Zeolite process, water purification. 409 THIS BOOK IS DX7E ON THE IiAST DATS STAMPED BELOW AN INITIAL FINE OF 25 CENTS WILL BE XSSKSSBD POR FAILURE TO RETURN THIS BOOK ON THE DATE DUE. THE PENALTY WILL INCREASE TO 80 CENTS ON THE FOURTH DAY AND TO SI. GO ON THE SEVENTH DAY OVERDUE. APft^^A 1940 izstp'sa^g a ^m ^'EP8 1955 LI' ^Mh^ ;S ¥ 1943 LIBRARY USE AOG 14 .G-13 ArU 4 S^ -^ iimy 1 4 1956 ---* — n'A7 I — ^ 4 May 00? ^v hriCD L.O APR 2 1 l.%n LD 21-100m-7,'89(402' YC 9b9 1 / ^ ^ N X \ //26 )-57 THE UNIVERSmr OF CALIFORNIA LIBRARY ^4—i-ir:— T«^ip . s -•. 