| Show what a lump of coal can do A single pound of coal la Is capable C O 0 of f producing horse power and could do the work of 0 an express locomotive m tive tor for one fifth 0 of a minute in other words it Is enough to haul a train ot of eight cars including the pull man sleeping cars and dining cars at the rate of fifty miles an hour one sixth of a mile in la sawing wood a man may work at the rate ot of about sixty strokes a minutes and his saw blade may have progressed five feet a minutes but a circular saw driven by machinery will cut seventy times as much wood in the same time and yet this one on little pound of coal contains power enough for such saws |