An edition of An Elementary Class-book of Practical Coal-mining
(1904)
An Elementary Class-book of Practical Coal-mining
by Thomas Hansom Cockin
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Book digitized by Google from the library of the University of California and uploaded to the Internet Archive by user tpb.
Publish Date
1904
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Subjects
coal, pressure, feet, shaft, inches, rope, weight, seams, air, seam, square inch, cubic foot, compressed air, total pressure, winding engines, carbonic acid, square foot, tail rope, full corves, winding engine| Edition | Availability |
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| June 26, 2019 | Created by MARC Bot | import existing book |