Tamping-bar, 239 Terminal station, 253 Tests for steel rails, 194 Three-throw switches, 233 Thrust-girders for retaining walls, 161 Tie-bars, 224 Timber bridges, 95 Timbering of tunnels, 170 Timber-pile foundations, 114 Time for construction, 18 Tip head, 67 365 Tip-waggon, 69 Tools for permanent way, 239 ---- for tunnel-work, 172 Trailing-points, 20 Train-staff on single line, 342 Train-tickets, 343 Tramplates of cast-iron, 184 Tramway rails, 199 Trap-points, 319 Travelling-crane, 296 Traversing bridge, 85 Trimming slopes, 72 Trough girders, 135 Tunnel faces, or entrance, 176 ---- headings, 169 ---- sections, 176 ---- shafts, 167 Tunnels, 6, 10, 162 ---- composed of cast-iron segments, 179 ---- drainage of, 166 ---- through cities, 178 ---- under rivers, 181 Turn-out, 233 Turntables, 287 U Under-line arch bridges, 103, 129 V Vacuum system of sinking, 119 Verandah on platform, 261 Viaduct parapets, 28 Viaducts of timber, 95 ---- over rivers, 83 Viaducts over valleys, 91 ---- to be shown on section, 10 W Waggon turn-table, 292 Waiting-rooms, 251 Warehouse crane, 294 Water-column, 302 Water-jet piles, 116 Water-tables, 227 Water-tanks, 299 Wear of fish-plates, 205 Wear of steel rails, 193 Weeping-holes, 161, 174 Weights of locomotive engines, 304 Well foundations, 123 Wheel-base of engine bogie, 59 Wheel-guards on viaducts, 28 Widths of public-road bridges, 10 Winding engines, 185 Wind-pressure, 28 Wooden-centre wheels, 48 Wooden culverts, 76 ---- screws, 223 ---- tramway, 182 ---- water-tanks, 301 Working plans and sections, 32 Wrought-iron column piers, 97 ---- and steel sleepers, 217 ---- piles, 116 ---- rails, 186 ---- water-tanks, 301 Z Zigzags, 35 PRINTED BY WILLIAM CLOWES AND SONS, LIMITED, LONDON AND BECCLES. ENGINEERING, STRENGTH OF MATERIALS, ETC. THE STRENGTH OF MATERIALS AND STRUCTURES: the Strength of Materials as depending on their Quality and as ascertained by Testing Apparatus. By Sir J. ANDERSON, C.E., LL.D., F.R.S.E. With 66 Illustrations. Crown 8vo, 3_s._ 6_d._ RAILWAY APPLIANCES: a Description of Details of Railway Construction subsequent to the completion of the Earthworks and Structures. By Sir JOHN WOLFE BARRY, K.C.B., F.R.S. With 218 Illustrations. Crown 8vo, 4_s._ 6_d._ MECHANICS APPLIED TO ENGINEERING. By JOHN GOODMAN, Wh.Sch., M.I.C.E., M.I.M.E., Professor of Engineering in the University of Leeds. With 714 Illustrations and numerous Examples. Crown 8vo, 9_s._ net. RAILWAY APPLIANCES AND OPERATIONS. For the Use of Railway Employés. By EDWARD S. HADLEY, the Great Western Railway’s Divisional Superintendent’s Office, Newport, Monmouth. [_In the press._