id	author	title	date	pages	extension	mime	words	sentences	flesch	summary	cache	txt
31024	Multhauf, Robert P.	Mine Pumping in Agricola's Time and Later			.txt	text/plain	3731	264	67	MINE PUMPING IN AGRICOLA'S TIME AND LATER detailed mining landscapes on 16th-century German coins in the National development of what Agricola calls _tractoriae_--hauling machines. the region known to Agricola (Erzgebirge) in the 13th century.[3] introduction of machinery for removing ores and water from deep mines. Bechtel speaks have been put as much as a century later.[5] In any case, MINE-PUMPING MACHINERY ILLUSTRATED BY BRUNSWICK MULTIPLE TALERS time,[6] their use in mining would appear to date from the mid-14th Figure 2 shows two shaft-houses covering pumps driven by to a mine." The most powerful machine then in use for deep mines appears many descriptions and drawings showing its use in the mines, driving mines changed in the century after him far more than has been crank was centuries old at this time, and had been applied to pumping arrangement very like that described by Agricola, although not in mining	./cache/31024.txt	./txt/31024.txt