Medieval Technology and American History - In-Depth ...
Much of what we know today about medieval mining methods comes from the great textbook on mining, ... In the early Middle Ages, wire for chain mail and other applications had been painstakingly hammered out by hand. ... Progress Through the Ages, Vols. I and II. Translated by Eileen B. Hennessy. New York, 1970.
History of coal mining - Wikipedia
The history of coal mining goes back thousands of years. ... Early coal extraction was small-scale, the coal lying either on the surface, or very close to it. ... The technology was far in advance of any coal mining method in the late medieval period and was considered one of the industrial wonders of the age.