§ Mr. T. WILLIAMSasked the Secretary for Mines the difference in cost per ton output of coal for materials and charges, other than wages, between the years 1913 and 1924?
§ Colonel LANE-FOXThe difference is 3s. 0¼d. The average per ton of coal disposable commercially was 2s. 5½. in 1913 and 5s. ¾d. in 1924.