The wonders of modern mechanism. A résumé of recent progress in mechanical, physical, and engineering science (1896)
Cochrane, Charles Henry, 1856- · Philadelphia J.B. Lippincott · leaf 48
ess of theoriginal estimates, the soft soil being subject to a leakagealmost impossible to overcome. Twice during tunnellingojierations the work was flooded, with loss of life andgreat damage. Had the difficulties been fully foreseenat the outset it never would have been undertaken, as it SOME… … CAISSON IN COURSE OF CONSTRUCTION FOR BLACKWALL TUNNEL, UNDER THAMES. In subaqueous tunnelling the hydraulic shield is com-monly used. This is the invention of Alfred E. Beach,of New York. It was used Avith success on the tunnelunder the St. Clair River at Sarnia for the Grand TrunkRailway of…
Inventions · Mechanical engineering · Machinery
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
