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HARD COAL

Bad coal has flat, dull pieces in it which remain hard, heavy and whitish when burned, called bone." If in a scuttle full of coal weighwhitish when burned , called "bone." If in a scuttle full of coal weighing twenty -five pounds, a half pound of these white pieces are found, the coal is not good.

Coal is pronounced good if it breaks at right angles firmly and with a bright fracture. If it shatters or is full of dull pieces, it is poor in quality. There is a vast difference in hard coal, a difference which few understand.