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Scientific American, Vol. 6, No. 5 (1862) (1862)
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NEW YORK; FEBRUARY 1, 1862. NEW SERIES: VOL. VE=-=NO. 2 motion of the upper roller … ATWOOD AND LEIGH’S SILK-ASSORTING MACHINE. falls forward it strikes the tion of sewing machines.— Fig. 2a vertical section. A series of light smooth rollers, C C C, are hung upon the ends of counterbal- anced levers, D D D D D’, in such a manner that they © 1862 SCIENTIFIC AMERICAN, INC.Internet Archive · Public domain (published before 1931). Free to use for anything.
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