Mine Tracks Their Location and Construction: Treating Briefly on the Materials Used and the Principles Involved in the Design and Installation, With a ... for a Standard Practice (Classic Reprint) - Hardcover

Inhaltsangabe

Excerpt from Mine Tracks Their Location and Construction: Treating Briefly on the Materials Used and the Principles Involved in the Design and Installation, With a Set of Rules for a Standard Practice

The gradual displacement of animals by mechanical haulage as the motive power in mine, transportation, the successive increases in the weight Of the locomotives em ployed and the improvements in car journals and rolling stock, admitting Of longer, heavier trains at relatively high velocities, are making imperative a closer attention to the track material used in mines.

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