Anthracite coal being a much nore dense material ... and may be economically burned in this manner. If a coal fire gets very low, the quickest way to extinguish it, is to rake it at the bottom.
1 of that same year, a bitter strike began in the anthracite fields of Pennsylvania ... The powerful figure he depicts, the fire boss sitting on a pile of coal, staring boldly at the viewer ...
Scientists think it was first ignited by an ancient brush fire or lightning strike. Anthracite coal doesn't need much ...
In practice it has been found, that, for a small concentrated fire, to melt metals or glass in crucibles, coke is a better fuel to use than bitumen coal, but is not superior to anthracite.
Anthracite coal converted this region from agrarian to industrial. The discovery of hard coal — and the discovery by Jesse Fell of how to burn the stuff — spurred booms in the economy and ...