Show more work from coal to ID recent years the effi efficiency clericy of a ton of coal hue baa been greatly increased find and it Is stated this has been accod plis lied mainly through the activities of I 1 the be electric power companies by which all suggested improvements are tried out anT and adopted when warranted between 1900 and 1027 the anem increase use in the amount of power used represented e 05 per cent whereas the lu ito ere crease ase in tile the amount of fp ful jr r only 17 per cent |