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 Capital |
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Page ix
... percentages , costs per mile , and the like , in this volume , were made with a slide - rule - an instrument too little known and used by engineers . Hence many errors of 1 or 2 in the third digit , or of one or two tenths of one per ...
... percentages , costs per mile , and the like , in this volume , were made with a slide - rule - an instrument too little known and used by engineers . Hence many errors of 1 or 2 in the third digit , or of one or two tenths of one per ...
Page xix
... Percentages Rails- Proper form of " weight of Reconnaissance- Choice of lines to survey Fundamental rule for Revenue- Per head of population Rise and Fall- • Effect on operating expenses Estimating amount of Limits of classes . Safe ...
... Percentages Rails- Proper form of " weight of Reconnaissance- Choice of lines to survey Fundamental rule for Revenue- Per head of population Rise and Fall- • Effect on operating expenses Estimating amount of Limits of classes . Safe ...
Page 6
... the average train - load lower than in the rugged regions of the East , and caused perhaps a greater percentage of utterly needless waste , and a more discreditable aggregate of thoroughly bad location , 6 INTRODUCTION .
... the average train - load lower than in the rugged regions of the East , and caused perhaps a greater percentage of utterly needless waste , and a more discreditable aggregate of thoroughly bad location , 6 INTRODUCTION .
Page 20
... percentage , and yet small aggregate of increased cost . This tendency is especi- ally probable and dangerous when means for construction are limited , or when the margin of profit on the enterprise as a whole is liable to be small : a ...
... percentage , and yet small aggregate of increased cost . This tendency is especi- ally probable and dangerous when means for construction are limited , or when the margin of profit on the enterprise as a whole is liable to be small : a ...
Page 35
... percentage of difference in either the first cost , or the operating expenses , or ( above all ) the revenue , means to the original projectors , whom alone he serves or knows , all the difference between success and failure . 3.49 ...
... percentage of difference in either the first cost , or the operating expenses , or ( above all ) the revenue , means to the original projectors , whom alone he serves or knows , all the difference between success and failure . 3.49 ...
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Common terms and phrases
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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