 | Charles Franklin Dunbar, Frank William Taussig, Abbott Payson Usher, Alvin Harvey Hansen, William Leonard Crum, Edward Chamberlin, Arthur Eli Monroe - 1917 - Страниц: 748
...number of horsepower may be utilized in hauling a heavy train at slow speed or a light train at high speed. Speaking in general terms, in locomotives of...classes of service — freight, passenger, and switch. The use of the locomotive ton mile basis, on the other hand, requires the keeping of special statistics... | |
 | Charles Franklin Dunbar, Frank William Taussig, Abbott Payson Usher, Alvin Harvey Hansen, William Leonard Crum, Edward Chamberlin, Arthur Eli Monroe - 1917 - Страниц: 732
...number of horsepower may be utilized in hauling a heavy train at slow speed or a light train at high speed. Speaking in general terms, in locomotives of...classes of service — freight, passenger, and switch. The use of the locomotive ton mile basis, on the other hand, requires the keeping of special statistics... | |
 | Charles Franklin Dunbar, Frank William Taussig, Abbott Payson Usher, Alvin Harvey Hansen, William Leonard Crum, Edward Chamberlin, Arthur Eli Monroe - 1917 - Страниц: 750
...of the weight or power of the locomotive, the weight or number of cars, and the speed of the tram. It affords, then, the only least common multiple yet...classes of service — freight, passenger, and switch. The use of the locomotive ton mile basis, on the other hand, requires the keeping of special statistics... | |
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Cylinder horsepower given number of horsepower may be utilized in hauling a heavy train at slow speed or a light train at high speed. Speaking in general terms, in locomotives of similar design, the horsepower developed is closely related to the volume... 