To the Editor of the "Norru-Cuiwa Dany News Suk,—Your correspondent Economist who wishes to know what to do with an accumulation of coal dust could use it quite usefully by wrapping a quantity of, say. 3 Ib. to 6 Ib. in paper and placeing the packet of dust on the top of a burning open grate coal fire; it will cake and burn quite well and give off a good heat and thus be an economic venture.
Another economic way might be to exchange the dust coal for a certain quantity of lump coal, seeing there is quite a demand for dust coal for briquette making; many Chinese are now glad indeed to get dust coal to use, in their homes by the use of home-made briquettes,
Text read from the printed page and cleaned; old type leaves the occasional error.