If we kindle one end of a bundle of sticks and hold it so as to turn the flame downward, we do not obtain any coal. After the volatile substances are expelled, the hot charred wood is rapidly consumed, and ashes only remain. Thus the hot gasesanbsp;...
|Title||:||A Practical Treatise on Metallurgy, Adapted from the Last German Edition of Professor Kerl's Metallurgy ...: Steel, fuel; supplement|
|Author||:||G.R.B. Kerl, Ernst Otto Röhrig, Sir William Crookes|