Appleton's dictionary of machines, mechanics, engine-work, and engineering (1861)
Appleton, firm, publishers, New York. (1852, D. Appleton & Co.) · New York : D. Appleton · leaf 64
x, 25 metres; to this succeeded a gray chalk, in which were iron pyrites, 341 metres; then a wealdenclay, gray sand, and a sandy clay, in which were found ammonites and other fossils; the whole depthbored through being 548 metres, or about 1798 feet. Before giving the description of the apparatus… … 60 ARTESIAN WELL OF GRENELLE. M. Mulot commenced boring in 1833 ; he easily pierced the tertiary sands, which are at Grenelle 130feet thick, but shortly after having reached the chalk, at the depth of 37*7 feet, the sides gave way andfilled the bored space, which was cleared again, after…
Mechanical engineering
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