Hildenbrand, Wilhelm The Underground Haulage of Coal by Wire Ropes: Including the System of Wire Rope Tramways As a Means of Transportation for Mining Products : A Practical Essay Written for John A. Roebling's Sons Co
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The Underground Haulage of Coal by Wire Ropes: Including the System of Wire Rope Tramways As a Means of Transportation for Mining Products : A Practical Essay Written for John A. Roebling's Sons Co