Hiscox, Gardner Dexter, 1822?-1908 · New York, The Norman W. Henley publishing co. · leaf 373
fSm … 1510k HYDRAULIC PILEDRIVER.—A pile with a grooveon its side in which a pipe is laidto the bottom of the pile, looselyclipped in place to enable its with-drawal after the pile is set. Astrong stream of water from apump excavates a passage for thepile to the required depth. Nohammer is needed; only a…
Mechanical movements
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