Of engines. | | | | | Per mile | Per mile | per annum |of railway| run by | on | per annum |of railway| run by | on | per annum |of railway| run by | on | per annum |of railway| run by | on | per annum |of railway| run by | on | per day. | trains. | capital. --------------------------------------+----------+------------+---------- | £ | | | | | |Length.