Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Large circular underground shaft sinking at climax
Location of shaft chosen to take advantage of good conditions and quick access to all areas of 600 level of mine; ultimate depth of shaft is 767 ft; 19 ft diam shaft has 8×18 1/2-ft cage compartment which can transport men and machinery; shaft is lined with concrete.
Large circular underground shaft sinking at climax
Location of shaft chosen to take advantage of good conditions and quick access to all areas of 600 level of mine; ultimate depth of shaft is 767 ft; 19 ft diam shaft has 8×18 1/2-ft cage compartment which can transport men and machinery; shaft is lined with concrete.
Large circular underground shaft sinking at climax
Min Congress J
Distler, W.F. (Autor:in)
1960
Aufsatz (Zeitschrift)
Englisch
© Metadata Copyright Elsevier B. V. All rights reserved.
| Engineering Index Backfile | 1913
| Engineering Index Backfile | 1902
| Engineering Index Backfile | 1948
| Tema Archiv | 2013