Appleton's dictionary of machines, mechanics, engine-work, and engineering : illustrated with four thousand engravings on wood ; in two volumes (1873)
D. Appleton and Company · New York : D. Appleton and Co. · leaf 491
ines were operated by steam ; the fall passing through the leading-hlocks to the dmm o;a steam engine. PILE, SCREW AND SCREW MOORING. To Alexander Mitchell, Esq., of Belfast, Ireland, theprofession is indebted for this discovery, by means of which we are now able to construct permanentfoundations… … The plan which appeared best adapted for obtaining a finn hold of soft ground or sand, was to insertto a considerable distance beneath the surface a bar of iron, fig. 3063, having at its lower extremity abroad plate, or disk of metal, in a spiral or heUcal form, on the principle of the screw, in…
Mechanical engineering · Mechanics · Engineering
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