The Economic Theory of the Location of Railways: An Analysis of the Conditions Controlling the Laying Out of Railways in Effect this Most Judicious Expenditure of CapitalJ. Wiley & sons, 1887 - 980 страници |
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actual additional adhesion American amount assumed average axle boiler brakes cars cause centrifugal force cents per train-mile Class coal coefficient of friction computed considerable consumption curvature curve resistance cylinder decrease degree of curvature difference distance drivers effect engine repairs estimate expenditure fact feet flange freight trains friction fuel given gradients greater haul heavy important increase labor length less limits load locomotive long ton loss maintenance maximum mile run mileage miles per hour nearly number of trains operating expenses passenger trains Pennsylvania Railroad percentage practice pressure probably profit proportion pusher radius railway rate of grade ratio receipts reduce revenue rise and fall rolling friction ruling grade ruling gradient Southern Railway speed station statistics steam superelevation Table tangent tender tion tons total cost track tractive power traffic train resistance train wages train-load truck vary velocity vertical wear weight wheel-base wheels
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