Mine haulage ; Hoisting and hoisting appliances ; Surface arrangements at bituminous mines ; Surface arrangements at anthracite mines ; Percussive and rotary boring ; Compressed-air coal-cutting machinery
Book digitized by Google from the library of University of Wisconsin - Madison and uploaded to the Internet Archive by user tpb. "A series of textbooks for persons engaged in the engineering professions and trades or for those who desire information concerning them Also published as volumes in the I.C.S. reference library of the International Correspondence Schools Includes index Mode of access: Internet
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