The art of weaving, by hand and by power, with an introductory account of its rise and progress in ancient and modern times . er end, a rod or wire R, extends to a lever S, working on afulcrum T, on the frame of the loom, its lower end passing into amortise or slot in the bar E; and this lever is operated upon in amanner similar to tliat of the lever C, already described : in bothFigs, the mortise L, must be long enough to give play to thelever E, without moving the lever C, (Fig. 170) or the lever S,(Fig. 171.)* On referring to Mr. Stones machine, Figs. 165, 166, 167 and168, and comparing it
The art of weaving, by hand and by power, with an introductory account of its rise and progress in ancient and modern times . er end, a rod or wire R, extends to a lever S, working on afulcrum T, on the frame of the loom, its lower end passing into amortise or slot in the bar E; and this lever is operated upon in amanner similar to tliat of the lever C, already described : in bothFigs, the mortise L, must be long enough to give play to thelever E, without moving the lever C, (Fig. 170) or the lever S,(Fig. 171.)* On referring to Mr. Stones machine, Figs. 165, 166, 167 and168, and comparing it with Mr. Potters modification, shown inFigs. 170 and 171, the real character of the infringement wiU bemanifest. In the first place, Mr. Stones invention consists, in the * Tlie wfiip roll N, in connexion with the lever O, for the purpose liereinexplained, is not the invention of Mr. Potter, Mr. Louis Schwabe and othermanufacturers, of Manchester, having used it several years before the dateof his patent; and tliese gentlemen, no doubt, can tell Mr. Potter to whomthe invention truly belongs ! PLAIN 171. 367. application of the lever Q, in connexion with the rod S, having thebent arm X made fast to it, the click W, ratchet wheels U, and Y,vertical shaft T, and the worm working into the spur wheel A A,on the end of the yarn beam (see Figs. 165 and 166 ;) and theseparts, receiving motion from the vibrating reed D, govern the givingout of the warp, as well as the taking-up of the cloth, the one de-pending upon the other. This feature forms the subject of patent; and, we think, with justice too; for the contrivanceis really very ingenious, and does its inventor credit, notwithstand-ing its inapplicability to some kinds of textures, as has been aheadystated. Now, on referring to the subject of Mr. Potters patent, as shownat Figs. 170 and 171, it will be seen that he has adapted the let-offand take-up motions claimed by Mr. Stone; for his worm H, shaftF, ratchet
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Keywords: ., bookcentury1800, bookdecade1840, booksubjectweaving, bookyear1844
