Mine Hoists tn Canada

CIM Bulletin1955
FEW COUNTRIES equal Canada in the diversity of its mineral output, the range of size of its mine operations, and the extremes of climatic and topographic conditions under which its mining is carried out. Camps large and small are scattered over thousands of miles, some served by excellent communication lines, many in remote regions of the north. Common to most of the deposits is that they are worked by underground methods, and rely on adequate hoisting installations for the success of their operations. An early 'one horse power' mine hoisting motors control arrange- Hoisting in some form pre-dates au other mechanical operations in mines and the hoist remains one of the most important pieces of equipment at the average mine. lt provides the single line of communication along which must pass the men and materials to mine the rock, and in turn carry the ore to a place for refinement
Accés complet à Document technique
Version PDF pour 20,00 $
Autres documents dans CIM Bulletin1955