A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Shaft to be widened was sunk to depth of 564 yd; to 351 yd, diameter was 8 ft; it then belied out to 12 ft diameter in length of 40 ft, and for remaining distance to bottom was 12 ft; there was inset at depth of 326 yd; plan was to widen shaft to 12 ft diameter up to this inset; description of method used. Student paper before North Staffordshire Inst Min Engrs.
Shaft to be widened was sunk to depth of 564 yd; to 351 yd, diameter was 8 ft; it then belied out to 12 ft diameter in length of 40 ft, and for remaining distance to bottom was 12 ft; there was inset at depth of 326 yd; plan was to widen shaft to 12 ft diameter up to this inset; description of method used. Student paper before North Staffordshire Inst Min Engrs.
Example of shaft widening
Colliery Guardian
Stephens, F. (author)
Colliery Guardian ; 156
1938
2 pages
Article (Journal)
English
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| Engineering Index Backfile | 1938
Engineering Index Backfile | 1934
| British Library Conference Proceedings | 2000