Compressed Air Work And Diving 1909

INDEX. 115 Halley, Edm., 32 Hay, David, 81 Heading tunnel, 83 Hoods on shields, 93, 94 Hudson Tunnels, 88 Hydraulic erectors, 69, 79, 84, 95 — jacks for lowering caissons, 64, 65, 90, 91 — rams on shields, 68, 79, 84, 93 J NGERSOLL-RAND Co., 110 T ACOBS, Charles M., 88 Japp, H., 88 JZIESELGUHR, 98 King Edward VII. Bridge, 43, 44, 60-65 ^ACE-UP legs for diving dress, 25 Lambert and the Severn Tun- nel, 30-32 Leakage losses in pumps, 34 Levelling a caisson, 44 Li fe-line, 23 Lister Institute, 1 London County Council, 78 Londonderry Bridge, 53 Lubricants, high temperature de- structive of, 109 JYJATERIAL shoots worked on air-lock principle, 79 Medical examination of caisson workers, 3 Moir, E. W., 71, 79, 88, 91, 92, 95, 111 Mules in tunnels, 72 N EW YORK, city of, 87 Nitrate of soda, 97 Nitric acid, 97 Nitrogen pressure, 1 Nitro-glycerine, 97-103 Nobel, Alfred, inventor of dynamite, 98 Noble, Alfred, engineer of the East River Tunnels, 88 Q’RORKE Construction Co., 88 Oxygen as a poison, 30 pEARSON, S., & Son, Ltd., 79, 88, 11 r Pennsylvania Tunnel and Terminal R.C., 87 I Pipes for biowing out water, 47 Pitching King Edward VII. Bridge caissons, 64, 65 Pressure behind shields, 79, 84, 93 Price, J. H., 86 — & Reeves, 86 Priestly, Haldane and, 4 Pumps, diving, Admiralty pattern, 35 — diving, efficiency of, 35-38 RE-COMPRESSION, 12, r3 Redheugh Bridge, 60 Regulation of amount of air pumped into caissons, 42; and into tunnels, 73 Rock biasting, 97-105 Rotherhithe Tunnel, 78, 81-86 Rouquayrol-Denayrouze apparatus, 28, 29 “ Royal George,” the, 19 C^ALL'ASH Bridge, 52 Screen, safety, 70, 71, 92 Severn Tunnel, 30 Shield, Blackwall Tunnel, 74, 77, 78 — East River Tunnels, 92 — Rotherhithe Tunnel, 83 — Vyrnwy Aqueduct Tunnel, 69 Shoulder pad, diver’s, 22