A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Procedure adopted for transferring bearing underground
Procedure simplified by standardization of shaft layout; positioning of collar-set steel; installation of plumbing brackets; placing steadying brackets in shaft; transferring bearing from plumb wires into station; system entails no delay in shaft; diagrams.
Procedure adopted for transferring bearing underground
Procedure simplified by standardization of shaft layout; positioning of collar-set steel; installation of plumbing brackets; placing steadying brackets in shaft; transferring bearing from plumb wires into station; system entails no delay in shaft; diagrams.
Procedure adopted for transferring bearing underground
Inst Mine Surveyors S Africa -- J
Kirby, R. (author) / de Buys, A.J. (author)
1952
12 pages
Article (Journal)
English
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