The earnings per train-mile vary greatly; but for all the lines the average is 7s.
Such crude attempts as were made to prevent rates from being excessive concerned themselves with profits, and were designed to confiscate for the state treasury any earnings beyond a certain prescribed dividend.
This may be taken to indicate the possible earnings of trained nurses working independently, as they usually do in America.
So far as may be the total earnings are not to be more than are sufficient to meet necessary outlays.
It made provision for publicity of rates and for due notice of any change in rates; it forbade pooling of freight or earnings, and required annual reports from the carriers.