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A platform for research: civil engineering, architecture and urbanism
Treated timber at Isabella mine
Illustrations and description of number of ways in which pressure treated timber is serving mine of Weirton Coal Co in western Pennsylvania, by maintaining main haulage entries and air courses; crossbars, beams, lagging and track ties are treated with chromated zinc chloride, impregnated under pressure with net retention of 3/4 lb per cu ft of timber.
Treated timber at Isabella mine
Illustrations and description of number of ways in which pressure treated timber is serving mine of Weirton Coal Co in western Pennsylvania, by maintaining main haulage entries and air courses; crossbars, beams, lagging and track ties are treated with chromated zinc chloride, impregnated under pressure with net retention of 3/4 lb per cu ft of timber.
Treated timber at Isabella mine
Min Congress J
1943
3 pages
Article (Journal)
English
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