. Building and repairing railways ... : Forming one of the series of the volumes comprised in the Revised and enlarged edition of The science of railways, . Vs^^^(9£if(^^sis»si^)S)S^^ ^\^^^^\^ x Av^ N Annn\\v%\\\\\\\\\^\N\A\\\V\\\\V^\vV xx\ v vxv\ uW, Fig. 19. ENGINEERS into 10, 20, 30, 40, 50 and 60 parts to tlie Fig. 20. PROTRACTOR. tions where stakes are driven, the elevation be-tween the stakes where the slope of the ground 0> BUILDING AND HE PAIRING RAILWAYS. changes and the correct location of this point; theelevation of the water in streams; the elevation of

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Keywords: ., bookcentury1900, bookdecade1900, booksubjectrailroa, bookyear1906