The Civil engineer and architect's journal, scientific and railway gazette (1839)
London : [William Laxton] · leaf 160
s only necessary for the tondoncc to movein a curve to exert a force sufficient to alter the position of each journal,■^^y-i^:^-^ of an inch, in oriler to pass round a curve a mile radiussolely by the influence of the cone, a quantity so small that the Doctorwill find great difficulty in… … The accompanying engravings represent a vertical water-wheel,upon the principle of Barkers mill, which I erected at the iron-works of the United Mexican Mining Association at Durango, inMexico, in 1832, for the purpose of driving a circular saw ; it wasdesirable to produce a rapid movement witliout…
Architecture · Civil engineering · Science
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