Illustrated description of system of transporting mine supplies, equipment, machinery and lumber by freight wagons drawn by 16 to 20 horse teams; functions of near and off members of each span of complete teams; team hook-ups; gear details; guiding and control procedure, with use of jerk line (to near leader), whip, voice, brake, rough locks and chock blocks.
Jerk line
Eng Min J
Engineering and Mining Journal ; 141 , n 1
1940
4 pages
Aufsatz (Zeitschrift)
Englisch
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