Tunnel shields and the use of compressed air in subaqueous works,
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| Language: | English |
|---|---|
| Format: | Book E-Resource |
Table of Contents:
- "Greathead, and the introduction of shield work in recent years."--Chapter I.
- Appendix: A. A chronological list of events connected with tunnelling by means of a shield or of compressed air. B. Some English patents relating to tunnelling with shield and compressed air, 1818 to 1904.