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- <br /> - DILMEN'S RAILROAD CURVL <br /> - -- AM <br /> - REDUCTION TABLES <br /> ALL.241t,bg Euoeaa Dietapn Ca,New Y'osk <br /> MA <br /> .7} <br /> r�y <br /> CURVE, FORMULAS <br /> Radlum= <br /> TR , C.)Degree of Curve-D and eln.s= - <br /> dfw <br /> _- =T=Rtes$(3)Length of Curve=L=100a(4) <br /> Middle ordiaste=M=R(1—ooa. 16)(5)=Rvers 3(6) <br /> Eiternal=E-Ttan=-(7) <br /> ,&-Central <br /> 'Long Chord=CS=R sin.yt(10) - Angle <br /> --`- c EXPLANATION AND M OF TABLES <br /> - --- even'P. L--sta. 161+60.36 to find Bta. of, P. C. <br /> and' •. <br /> AP-8r 10' D=8`20'. From Table IV for 10.o ove T. <br /> -- <br /> 3"1 &ud-t-8%=-Q" ft. From Table V oon*Won=w.88 or Ti.-' <br /> 41:4.85 ft. P� C.-4ts. P.I—1 157+45.60. Also from`(4) L�748:00 and P.jT.�C3tw P.C.+L-184+91.60. <br /> -.,: . oftmeteapp - <br /> D and square of the dish.(Thw ) <br /> - pint fcr-.10 ft.r7.27 ft. Distanee0-158--&A.P.t ,&Seat or eta. <br /> y -1 1 f Also Table <br /> .b0#1 t. <br /> SSS an � earva ie 2.18 ft.roand as foibws.� C .h <br /> �� ofg • <br /> ''►�tbe'radius uM1a(appson�l►tely�t301 fram <br /> t tti curve.' (54.50)*+(7 x888.28 j�2.18 ft. <br /> for 100 ft., D ft., <br /> ' �hbor it.�in ).3 x.0 z or�deil.fox t, <br /> Q r,eta. " abovea�rve...a x 6t$aeB :or <br /> .2T 6 L.6.+ 2'fable l L Pw db# <br /> -- �n�'e.dd°18.2 t� +;'I�•�,° ,eto. <br /> = � be fomad I11 dnffiett <br /> ie 91,87: Farms TaSlo��' <br /> ' li+8 ,•®1.2'1 from <br /> — 1 #t Dr°supQose mad=&ism . . <br /> - -- 4? is-Di From Table IV R6"sa-and <br />