About the Book
This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1888 Excerpt: ...of dip from three bore-holes, 71 Analyses of air, 120 of fire-damp, 105 Area of boiler-grate, 49 of furnace fire-grate, 126 Asphyxia, 117 Atmosphere, pressure of, 101 Atomic weights, 107 BAROMETER, heights measured by, 102 Battens, 26 Beams, strength of, 21 circular, strength of, 22 Boilers, 45 consumption of fuel, 49 corrosion, 48 Boiler doctors, 48 explosions, 47..fittings, 46 horse-power of, 49 Boiler, incrustations of, 47 strength of, 20, 21, 45 surface of, 49 weight of, 46 Bord and pillar system of working, 80 Boreholes, amount and direction of dip of seam from, 7I cost of, 72 water delivered by, 93 Boring against old workings, 93 Brattice, 76 Brick pillars, 21 QAGES, 87 Carbonic acid gas, 112 Carbonic oxide, 109 Cast-iron girders, strength of, 23 pipes, strength of, 20 pipes, weight of, 20 tubbing, 25 Centrifugal fans, 128 force, 128 Certificated managers-examination, 4 Chains, strength of, 20 Chaudron-s tubbing, 75 Chavette method of sinking, 75 Chemical symbols, 106 Chemistry, 2, 106 Chimneys, 52 Circles, dimensions of, 17 Coal burnt in flue boiler, 49 burnt on ventilating furnace, 127 produce of, 119 Coalfields, 6, 11, 14 Coefficient of friction on level rolley-wav, 95 Coefficient of friction, rollers and sheave, 98 / Coefficientoffriction, ventilation, 123 Coefficient of rupture, 22 Column of water, pressure of, 92 Columns, long square, 23 Composition of coal, 14 Compound engine, area of small cylinder, 43 Compounds and elements, 106 Compressed air, 54 Compressive ventilation, 131 Condensation, 52 Condensing engine, 42-Conical drum counterbalance, 86 Consumption of coal in boilers, 49 of provender, 36 of powder, 30 of timber, 27 Contact with air, loss by, 59 Corrosion of boilers, 48 of pumps by acid water, 91 Cost of boring, 72 haulage, 99 horses, ..
