The Mechanical Handling and Storing of Material

INDEX 739 Ottawa Gold Mining Co., cableway of the, 315 Otto, Theodor, 272 — coupling for ropeways, 272, 273 P. & O. Co., ash expellers used by the, 237 Packing cases, elevators for, 29 Paddle worm or broken-bladed conveyor, 43 Page’s Magazine, 289 Palmer’s Shipbuilding and Iron Co., casting machines at, 171, 173 — t— furnace hoist at, 349 Panama Canal, Lidgerwood unloader used on the, 508 western dump cars used on the, 510 Patchell, William H., 577 Paul’s self-trimming barge, 476 Pearson & Co., Ltd., cableways used by, 321 Peck, Staunton B., 88 Peel’s anti-breaker for coke, 371 Pennsylvania Railroad Co., coaling railway engines on, 620 Hulett unloader used by, 416 -----self-unloaders of the, 505 Pequonnock Dock (Bridgeport, U.S.A.), chain haulage for hand carts at, 245 Philip’s self-trimming lighter, 482, 696 Phosphate drying and storage plant, 659 Picking belts or tables with or without lowering ends, 102 — table, the Zimmer conveyor as a, 116 — ■ tables, 100 -----with jib extension, 103, 104 Pierce Arrow Motor Car Co., coal and ashes handling plant at the, 641 Pietrkowski, A., 269 Pitch of idlers for band conveyors, 86 — of worm conveyors, 45, 46 Pittsburg Coal Dock Co. (Duluth), coal-handling installation of the, 423 Pittsburg Coal Co., self-trimming barge of the, 478 Pittsburg and Conneaut Dock Co., Hulett unloaders of the, 416, 420 Plate-belt conveyor, wear and tear of, 143 Plunger feeder, 204 Pneumatic coal conveyors, 226 Pneumatic elevators, advantages of, 207, 215 -----air traps for, 212, 214, ‘215, 216, 218, 221, 222, 227 -----at Miliwall Docks, 217 ------at Sulina, 216 — — blast system, 208 -----capacity of, 208, 213, 216, 220, 222, 223, 225 -----combined suction and blast system, 210 — — delivery nozzle of, 213 — — disadvantages of, 207 — — Duckham’s system, 211 -----dust collector for, 214, 215, 219 Haviland & Farmer’s system, 21.3 -----Mitchell’s improved, 220 — — power consumed by, 207, 213, 216, 217, 219, 220 221 223 -----speed of travel in, 213, 219, 220 — — suction nozzle for, 208, 209, 212, 219, 227 -----suction pipes for, 208, 216, 218, 220, 223, 224, 225 -----suction system, 209 -----vacuum for, 213, 217 Pneumatic grab, 409 Pneumatic grain elevators, small, 222 — handling, cost of, 220 — handling of material, 207 — - removal of ashes from boiler-houses, 223 — underline ash ejector, Stone’s, 234 Pohlig, J., 295, 349, 526, 535, 536, 584, 621 —■ furnace hoist, 349 — railway coaling station erected by, 621 I —■ ropeways erected by, 295 — tips, 526, 535, 584 Portable band conveyor, 613, 614 — barge elevators, 457 — coke-handling plant, 615 — loading device for salt, 611 — loading elevator, 613 — loader for acetylene slurry, 613 — loader for dusty material, 612 —■ transporters, 491 Port Clarence Ironworks, Middlesbrough, 362 — of London Authority, 483, 690, 694 — - Talbot, coal loading plants at, 601 Position of elevators, 13 Powell Duftryn Steam Coal Co., coal and ash- handling plant of, 640 ---------ropeway of, 293 Power required for ash ejectors, 241 ------band conveyors, 88, 142 — — Bolinder timber conveyor, 184, 186 — — cable trough conveyor, 70 — —■ casting machines, 173, 174 ------different types of conveyors, 142 — — elevators, 26 ------endless rope haulage, 260, 262 — — gravity bucket conveyors, 123, 137, 141 ------hot coke conveyors, 155 ------pneumatic elevators, 207. 213, 216, 217, 219, 220, 221, 223 ------push-plate conveyor, 67, 142 — — ropeways, 265, 281, 297 — — Sandvik conveyor, 97 — — slat conveyors, 101 swing tray elevators, 33 — — worm conveyors, 48, 49, 142 ------Zimmer conveyor, 115, 142 Pressed Steel Car Co., self-discharging railway trucks built by, 495 Priestman grab, 398 Primitive Chinese ropeway, 243 Proceedings of the American Society of Mechanical Engineers, 82, 88 Proceedings of the Institution of Civil Engineers, 15, 211, 217, 617, 623, 667, 668 Proceedings of the Institution of Mechanical Engineers, 75, 517, 575, 583, 587, 595, 609, 610, 670, 677 Push-plate or scraper conveyors, 61 — — — capacity of, 66, 67 ------— Commichau principle, 74 ------— power required, 67, 142 ------------ speed of, 61, 62, 66, 67 — ■ — — wear and tear of, 143 — with double chains, 67 Push-trough conveyors, 72 RAILWAY engines, coaling of, 617 -----removal of ashes from, 628 — trucks, self-emptying, 494 Ramsay’s casting machine, 172, 174, 180