. Revised and enlarged ed. of the science of railways . 164 RAIL ^yA Y EQ locomotive, it was found, after making manychanges and improvements, to be what our greatmodern thoroughfare needed to support the tre-mendous loads it was called upon to carry. We are still in the transition period of railwayconstruction. But great progress has been made. The vehicles whichin America at firstcarried only adozen passengers,or were limited to afew tons of freight,now carry sixty French Reservoir Car for Liquids. (The naSSeUSerS and tank car used in the United States is generally K , , similar to


. Revised and enlarged ed. of the science of railways . 164 RAIL ^yA Y EQ locomotive, it was found, after making manychanges and improvements, to be what our greatmodern thoroughfare needed to support the tre-mendous loads it was called upon to carry. We are still in the transition period of railwayconstruction. But great progress has been made. The vehicles whichin America at firstcarried only adozen passengers,or were limited to afew tons of freight,now carry sixty French Reservoir Car for Liquids. (The naSSeUSerS and tank car used in the United States is generally K , , similar to this.) Length of tank, 22 ft, 4 in.; f O r t y t O n S O I diameter, 4 in.; weight of car, 8^ tons; £ ,p- 1 i- vPm^PPflVP- load, 10 tons. This peculiar form of car was ii-tJlgiiL, ie&pt? suggested, in the first instance, by the needs 1 y N^Ot Oulv tllis ^ of the petroleum traffic. A vehicle was needed , . , , , -. that could be easily loaded and unloaded, that but they are hauled was strong, and the contents of which could j,^^^^.^ J-Up pnnntrv not be easily


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