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 ...
Mr. McConnell. the assumed inventor, claims that anthracite coal from the mines ot South Wales can be used in these engines, at a saving of one-half the cost of bituminous coke, and a complete ...
The No. 9 Coal Mine operated from 1855 to 1972, making it the longest continuously operated deep anthracite coal mine in the world. Today, you can explore the mine via a 1,600-foot rail ride ...