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A London encyclopaedia, or universal dictionary of science, art, literature and practical mechanics : comprising a popular view of the present state of knowledge : illustrated by numerous engravings, a general atlas, and appropriate diagrams (1829)

Curtis, Thomas, fl. 1820 · London : Thomas Tegg · leaf 14

An illustration from A London encyclopaedia, or universal dictionary of science, art, literature and practical mechanics : comprising a popular view of the present state of knowledge : illustrated by numerous engravings, a general atlas, and appropriate diagrams, 1829, leaf 14
n- dicrefore ninety-seven revolutions of the greatdie, and at such a distance from it as to admit a wheel will produce one revolution of this smallerwooden bobbin to be fitted loosely upon die wheel; upon the face of which a circular ring ofspindle ; and at die same time the arms of the wire is… … j:on^on..rii/-/i^h.;/ /j- f/,.>/,/■! 7,/_</,7,{.rVf<rp,ffb /<i/UM/;y/.A>t< J S1iiu-v.sch\|V LINEN. 5 wheel, as it touches it at one part, and at the op-posite side of the ring projects nearly tliree-c|uar-ters of an inch. This ruig of wire gives motionto an upright lever, about…

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