| OCR Text |
Show Perils ol llrldge Building Thn design of a long bridge ipanlir; of the moot eltbnrate mathematical r terns Hut urine In constructive tot rim stresses pro luce I b) Its osnwnl li) the weight of tinttlc b) locomtr drivers b) Hi hammering cf mtte wheels by thn in Hon of 1 rakea en " irisslnihi by tin high speed on awn" track b) the nlnd and I) the npw and rnnlnullon of Ihe steel In sumtrr nnd winter, aril nil ucciirnlely lr " The ilellcetlon of the loi led and unlo brl lac, is d. termini I and rnmrlels dt Ings are mi !- ,,r even' member ot It. i bars or steel jre tested In m iclilnrt will null In iwu a horsehair .or a is I ir eiiotig enoiikh lo lift half a in1 th hi meat h.omnlliri nt em ' whirl, will rush nil reg shell or a is--cnliiinn and accurately mean" L sinns In eieh i in rh' 'h"""' nr no inters are rnrged riveted tort' nlaiinl lit perhiis hill a dozen i" eh, ns mil nth nigh usually not together then Hrn runmlnel jnd wj, lired Iv sp-chllsts li sen that tliej"; eo'ie.i mil aie then snlpp'd trr nl carlo ills to the site 01 lh' PfifT stricture where team derricks " th.m anl ille tbcm man ft l"'!-sta l"'!-sta ks covering n rei nl rrn'ind Ihe Irldhi. tins mav rlee aboij ' water hun Irells ot I t ni jrt I' J miitiis t i time in them i ! "" i, ture blub ibovc 1 sn IB "',.7j. its-Iniiassalli its-Iniiassalli curr ul ir ronrliiB lid? '" lh wn r I il "i the bnitein of )' n. kx or In ich. nil s l lick and t mi -II I rl li,c th it mu 1 h r'nioA tlnu nm li ill on thi III Ib , TIbii l llh Ihls the etuilncer has I"",', nndni'S twisting cnulieil '' ',,( a I an l'i r li lie 1 1 1 I nil I" .n" 1bc hill s fi llnnc I , Im for v r II '"'fuK lliirilsblp and il m.rr II ill f"" '"" c f tlnioal mv ill r e il l . . mi Tin c mill at ,1 rram vv rk of (one- inch nr which must 0.wr,: th. light i bo, In cxacll) .'.'i'" mr lb. bill kr liinn ' ',nM u trussei-il, is larg r hi-nvte' ' (, mere Intloxlt.le than , "ole ,","., PH swirtlv boln nnl , l",,,lh'm,,hcMi' bundle 1 if re. I hlch ?' 'Watisi' w!,,ii,:,n,'';;.'sr"un'i'ii "ih ir Si" . g mil nell siialalning "' , millions . 1 eilllil , of tres Bl ""' ', 4 I how at llir) heights l r.'"" , a lln s Ibis be m.y ii" 'in'r niii' .ralel) lu u ' unliirlable h P or J llutoim Hit In d t'V roVih W '! it iilin.iat sp d I HlbiK '"'Viaivi ' ' alreiiBtli.nniiroe.siiliiglof llnIBWiJ furious limi.sl In I liter ft ' ' ti lug belt lie nnv be In lh , , ,1 fil, in des.rl nicniiel b W , faiiiiih-s or III n g irge nf the " , p iv ilreilB of mlleo frnm I"111 ruli Ii wh.ie ihrro Is iibsohiHly npsyi,',, to I Is own r. sources I inler s , II .lis brl lge hull llni. Is niif ol , , liis.lnilliu nnl dllll. iU i1'. .! trobl.ini, mil r ub" ' ?'n'viinlt Hon Mr almiai ever m " Skinner In J in" ' enlUD |
