CAMBRIA STEEL. 599 



PAGE 



PLATES, riveted, tables of areas to be deducted to obtain net areas of. 356, 357 



" tables of bearing values of 352, 353 



rolled steel safety floor 90 



sheared, tables of dimensions of 37-39 



standard bearing, for I-beams and channels 64 



stay, minimum sizes of, used with latticed channel columns. . 273 



PORTLAND, extracts from building laws of " 328-349 



POUNDS and tons used in the U. S., comparison of 590 



avoirdupois, equivalents in kilograms 582 



PRESSED steel car parts 30 



PROPERTIES, examples of use of tables of, for standard sections 179-180 



explanation of tables of, for I-beams 176, 177 



" channels 177 



" angles 178 



of compound shapes, notes on 181 



various sections, formulae for 168-175 



tables for, angles, special, equal legs 202, 203 



unequal legs 208, 209 



standard, equal legs 198-201 



unequal legs 204-207 



channels, special and ship 188, 191 



" standard 186, 187 



bulb 192, 195 



I-beams, special 184, 185 



" standard 182-185 



pipe, standard 390, 391 



T-rails, standard, and crane rail 214 



PROPORTIONS of sections of standard I-beams and channels. 27 



PROVIDENCE, extracts from building laws of 328-349 



RADII of gyration for two angles, back to back, equal legs 215 



' unequal legs 216, 217 



" m * m a a u a exarnp l e o f use o f 



tables of 222 



" "of various sections, formulae for 169-175 



RAIL for cranes, cut of section of 26 



" " properties, weights and dimensions of 



RAILS, T, properties, weights and dimensions of 214 



RECIPROCALS, tables of 523-539 



RECTANGLES, tables of moments of inertia of 210-213 



RECTANGULAR hollow cast iron columns, strength of 304 



REINFORCED concrete floor slabs 92, 93 



" allowable unit stresses for , 93, 348 



RIGHT and left nuts, dimensions of 379 



RIVET and bolt grips in flanges of I-beams and channels 60, 61 



RIVETED plates, area to be deducted to obtain net area of 356, 357 



RIVETING, conventional signs for 351 



RIVETS, areas to be deducted to obtain net area of riveted plates .... 356, 357 



dimensions of heads after driving 



for latticed channel columns, lattice bars and stay plates 272, 273 



length of, required for different grips 



spacing of, general rules for 305, 358 



" in latticed channel columns 



" plate girders, notes on 



tables of maximum sizes of, in angles 62, 356 



" " " I-beams and channels 62, 356 



" " shearing and bearing values of 352, 353 



" " spacing of 



weight of round headed 368 



" " 100, including 100 heads 355 



ROCHESTER, extracts from building laws of 328-349 



RODS, counter and lateral, with loop welded eyes, dimensions of 384, 385 



' solid or upset eyes, dimensions of ... 383 



ROOFING, flat and corrugated steel sheets for 85 



materials, weights of 84 



weights of porous terra-cotta for 69 



