The burning of anthracite coal requires appliances quite Afferent from those used for the burning of wood, or bitumin-)us coal, but the reasons for these differences, are not well un-lerstood by ...

These originally formed the bitumen of the coal, which does not exist in anthracite; this latter being ... quantity of bituminous coal, a& from the raw coal itself. Thus, for example if we suppose ...

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 ...