Compressed Air Work And Diving 1909

114 INDEX. Caissons, Londonderry Bridge, 53, 54 — pneumatic, 39-67, 72, 79, 80, 82, 88-90 — Redheugh Bridge, 60 — Rochester Bridge, 50, 51 — Rotherhithe Tunnel, 82, 83 — Saltash Bridge, 52, 53 — timber, 65, 66 — Victoria Bridge, Stockton-on- Tees, 54 Carbonic acid gas, permissible per- centage, 4; stimulates diver’s circulation, 36 Casks, Halley compresses air with, 3 2 Cast-iron lining, 76, 81, 85, 86, 96 — steel for shields, 83, 84 Chronic disease disqualifies for com- pressed air work, 3 Clay blanket, 74 Cleveland Bridge and Engineering Co., Ltd., 111 Cochrane & Son, John, m Cold in the head, effect of, during compression, 4 Compression, rate of, 3, 4 Cordite, 100 Cushioning, 34 Cylinders, number required for deep dives, 35-38 ! Diving dress, 19-27 i — helmet, 19-27 Drills, rock, 104, 105 1 Dry air, advantages of, 109 i I? AK trouble, 3 East River Tunnels, 87-96 Elastic wrist-bands, 22 Escape valve of diving helmet, 21, 24» -9 Eustachian tubes, inflating the, 3, 25 . . , Explosion in air receiver, danger from, 109 Explosives, 97-104 J7ACE PLATE, 20, 23 Fat men to be rejected for work in conipressed air, 3 Fitzmaurice, C.M.G., Maurice, 78, 81, 86 Flatness in tunnels, 75, 76 Fleuss apparatus, 29-31 Forth Bridge, 54 Fox, Sir Charles, 50, 51 Fraser & Chalmers, Ltd., no Freezing, effect of, on explosives, 102, 103 Fuses, electric detonator, 101 Fresh water spring in caisson, 41 Fuse, safety, 100, toi KJAMANT, Licut. G. C. C., R.N., 1 Decompression after exposures be- yond the ordinary limits of time, 6, 8 — after ordinary exposures, 5-7 — after re-compression, 12, 15, 16 — stage, 1-16 — sudden, to half absolute pres- sure, 2 — uniform, 2 Desaturating parts of the body, slowly, 5 Desaturation helped by moving arms and legs, 5 ; and by ex- cess of CO2, 36 Detonators, 100-102 Diver or divers, 3-9, 19-32, 34'37 E' ANGWAYS as a means of escape from flooded tunnels, 71 Gelatine dynamite, 99 Gelignite, 99 Glass tumbler submerged in water, 32 Grout, cement, 75 — quick-setting lime, 75 Grouting plates, 75 T-TALDANE, M.D., F.R.S., J. S., 1 1 originales stage decompres- sion, 1 ; on pressure of CO2 in lung air, 4; experiments with escape valve, 24, 29; on oxygen as a poison, 30