Applied Research in the Bituminous Coal Industry
HENRY F. HEBLEY
THE solid fuel industry, especially that branch represented by bituminous coal, is gradually becoming aware of its paramount importance in a world where there is an ever increasing demand for the products of a mechanical age. In practically every process of manufacture, the necessity for energy in some form is being multiplied.
bituminous coal, calorific, carbon monoxide, coal mining, internal combustion engine, Coal, Fuel, Fuels, Heat, Heating, mining, Research, Water, Waters