Catalog Record: Tunnel shields and the use of compressed air in subaqueous works | Hathi Trust Digital Library

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Tunnel shields and the use of compressed air in subaqueous works, by William Charles Copperthwaite ... With 260 illustrations and diagrams.

Main Author: Copperthwaite, W. C.
Language(s): English
Published: New York, Van Nostrand Co., 1906.
Subjects: Greathead, James Henry, > 1844-1896.
Tunneling.
Note: 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.
"Greathead, and the introduction of shield work in recent years."--Chapter I.
Physical Description: xv, 389, [1] p. incl. front. (port.) illus., diagrs. fold. pl. 30 cm.
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