600 CAMBRIA STEEL. 



PAGE 



ROOF TRUSSES, coefficients and formulae for 86-89 



ROOTS, square and cube, of fractions 444 



* *.'.'"..'* numbers 523-539 



ROPE and cable measure 559 



ROUND bars, circumferences, weights and areas of 451-457 



upset screw ends for 372, 373 



hollow cast iron columns, strength of 304 



ROUNDS, dimensions of hand and guide 



RULES for proportions of bolts and nuts, Franklin Institute standard. 363 



" rivet spacing for bridge and structural work 358 



SAFE LOADS, explanation of tables of, flat and segmental floor arches. 



" for box and plate girders 305 



'' " " " " steel columns 222, 223 



" *'...":** wooden beams 403-406 



for angles used as beams, notes on 



" I-beams and channels, notes on 100-105 



" beams, reduction in, due to lateral flexure 



" various classes of wooden structures 407 



maximum, for I-beams and channels, due to crippling of 



web 94-97 



superimposed for beams of uniform section 162-165 



tables of, for angles used as beams 138-159 



" beam box girders 306-316 



" chains 381 



" . channels 118-123 



" channel and plate columns, Series A 274-287 



" B 288-301 



" hollow round cast iron columns 302, 303 



" I-beams 106-117 



" " used as columns 244-247 



' latticed channel columns 268-273 



' plate girders . . . . 317-326 



" terra-cotta floor arches 71-73 



" wooden beams 416-421 



SAFE unit stresses for timber 409-415 



SAFETY factors for obtaining safe loads for wooden structures 



" used in the safe loads for steel columns 



SAN FRANCISCO, extracts from building laws of 328-349 



SCREW ends, dimensions of upset, for flat bars 376 



* . " " " round and square bars 372-375 



threads, Franklin Institute standard 362, 363 



SCREWS, wood, diameters of 



SEATTLE, extracts from building laws of 328-349 



SECONDS and minutes expressed as decimals of a degree 557 



SECTION moduli for beams, explanation of 



" latticed channel columns 



" " plate and angle columns 226-228 



" " channel columns 236-242 



" " various sections, formulas for 169-175 



SEGMENTS, circular; relations in 552, 553' 



SEPARATORS for I-beams, cast iron standard and special 66, 67 



SHEAR, maximum, at points of support for beams of uniform section. 162-165 



SHEARED plates, dimensions of 37-3! 



SHEARING values of rivets, tables of 352, 353 



SHEET and tin bars 



metal and wire gauges 434-443 



SHEETS and plates of steel, wrought iron, copper and brass, weights of . 436, 437 



thin sheared 



SHEETING, flat and corrugated 



SHIP channels, cuts of sections of < 13, 16 



properties of 188-191 



" weights and dimensions of , 43, 44 



SIDE stakes for cars, cut of section of 



" properties of 194, 19. r , 



" " " weights and dimensions of 46 



