Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Method of lining down an inclined shaft
Problem discussed covers precise lining (alignment) of timbering of 45° inclined shaft, which was deepened from 500 ft to 1700 ft level; surveyor's line; shaftmen's line; slope of line. (See also Can Min J v 65 n 12 Dec 1944 p 841-4)
Method of lining down an inclined shaft
Problem discussed covers precise lining (alignment) of timbering of 45° inclined shaft, which was deepened from 500 ft to 1700 ft level; surveyor's line; shaftmen's line; slope of line. (See also Can Min J v 65 n 12 Dec 1944 p 841-4)
Method of lining down an inclined shaft
Rhodesian Min J
Valois, L. (Autor:in) / Argall, J.R.C. (Autor:in)
1945
Aufsatz (Zeitschrift)
Englisch
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Method of lining down an inclined shaft
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