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 629
and the concave surface of the disk it lies. Ko axis passes through it, so that a loop of thread canpass around it as around the small ball of thread in the last diagram. By the revolution of the hookafter entering the loop of the upper thread, this loop is enlarged and carried forward. Fig. 3323…
Mechanical engineering · Mechanics · Engineering
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