ABSTRACT
We have in the preceding chapter dwelt at some length with the question of an average or normal wagon load, and emphasised the great variation according to the kinds of traffic with which we may for the time being be dealing. Not only do the loads differ very greatly according to the particular traffic, but the wagons and their capacities are themselves also a very variable factor, varying according to the classes of commodities for which provision has to be made, or the differing views held by the railway companies in regard to their construction.
