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 62
lex, 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 1198 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, winch arc at Gienelle 13Cfeet thick, but shortly after having reached the chalk, at the depth of 377 feet, the sides gave way andrilled the bored space, which was cleared again, after fifty-seven…
Mechanical engineering · Mechanics · Engineering
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