550 
Strain, compressive, 65 
Strain, shearing, 65 
Strain, volume, 65 
Strains and stresses, compound, 138 
et seq. 
Strains and stresses, simple, 64 e¢ seq. 
Straining pulleys, 368 
Strength, 68 
Strength, elastic, 68 
Strength of a ring, 154 
Strength of wheel teeth, 107 
Strength, proof, 68 
Strength, ultimate, 68 
Stress, 64 
Stress, centre of, 47 
Stress, compressive, 64, 65 
Stress diagrams for framed structures, 
191 et seq. 
Stress diagrams for wind pressure, 194 
Stress, ellipse of, 147 
Stress, principal axes of, iat, 
Stress, shearing, 65 
Stress, tangential, 65 
Stress, ultimate, 68 
Stresses in a cranked shaft, 146 
Stresses induced by bending, 103 
Stresses, nominal and actual, 170 
Stress-strain diagrams, 68, 186 
Stringer plates, 234 
Submerged orifices, 449 
Successive differentiation, 9 
Suction tube, 496 
Suppressed weir, 451 
Sway bracing, 247 
Swinging-block slider-crank chain, 308 
Swinging slider-crank, 309 
Syphon lubricator, 273 
Tail race, 485 
Tangential stress, 65 
Teeth, cycloidal, 378 
Teeth, helical, 386 
Teeth, internal, 382 
Teeth, involute, 380 
Teeth, proportions of, 376 
Teeth, stepped, 386 
Tempering, 182 
Tensile strain, 64 
Tensile strength of materials, 187 
Tensile stress, 64 
Tension test bars, long versus short, 174 
Theorem of three moments, 126 
Theory of long columns, 164 
Thick hollow cylinders, 158 
Thin cylindrical shells, 76 
Thin spherical shells, 76. 
Three-hinged arch, 197 
Three moments, theorem of, 126 
Through bridge, 242 
Tie-bar joint, 75 
Tiles, 205 
Time average and space average of a 
force, 284 
APPLIED MECHANICS 
Time of flow through an orifice, 4 
Toothed gearing, 375 et seq. 
Torque, 20, 25 
Torricelli’s theorem, 446 
Torsion meters, 358 
Torsion, simple, 79 ae 
Tower’s experiments on friction, 
272 
Tractrix, 267 
Train of wheels, 388 
Tramway rail section, 62 (Ex. 14) 
Transformation of moments of ing 
56 
Transmission dynamometers, 347 = 
Transverse elasticity, coefficient of, 
Travelling loads, 93, 98 
Triangle of forces, 34 
Triangles, formule for, 5 
Triangular notches, 453 
Trigonometrical formule, 4 
Trough floors, 244 re, 
Truss, Belgian, 203 
Truss, Bollman, 200 
Truss, English, 202 
Truss, Fink, 200, 203 
Truss, French, 203 
Truss, Howe, 232 
Truss, Linville, 232 
Truss, Pratt, 231 
Truss, saw-tooth, 202 
Truss, Whipple- Murphy, 231 
Turbine pumps, 5 
Turbine, Scotch, ae 
Turbine, Whitelaw’s, 492 
Turbines, classification of, 493 
Turbines, impulse, 493 
Turbines, reaction, 493 
Turning moment, 25 
Turning slider-crank chain, 308 
Tweddell’s differential accum 
523 
Twisting moment, equivalent, 144 
U-leather packing, 520 
Ultimate crushing strength of 1 
rials, 186 
Ultimate shearing strength of mate- 
rials, 187 ye 
Ultimate strength, 68 
Ultimate stress, 68 “a 
Ultimate tensile strength of mate 
187 | 
Unbalanced effort, 283 
Undershot water wheels, 487 
Uniform velocity, 15 
Universal coupling, 405 
Useful load, 64 
Vacuum chamber, 506 a 
Valves, Bil 506 a 
Vanes of centrifugal pumps, 514 a 
Variable velocity, 15 ; 
Vector, 12 
