For the Scientific American. The Carpet Manufacture. (Continued from our last) sents the design or figured pattern intended vers for figured weaving being ruled with squares which are numbered across the top pattern is to be repeated thereon at regular intervals along the piece and supposing the whole of the threads may be dyed with ors—the dye being chosen of such a nature that it will readily give place to the stronger party-colors which are to be applied. The size of the cylinder must be so chosen that its circumference will be equal to the length of yarn which the warp will take up for wea ving from the commencement to the end of the pattern where it will join to the prece ding and to the succeeding repetition of the pattern taking into consideration the con traction of the length of the warp which will result from the gathering up of the yarn in weaving and which contraction va ries very greatly in different kinds of fabrics. Whatever number of squares the length of the design paper occupies the circumference number or the double or the treble that num der and fastening it with pins to the blanket guish readily the succession and order of the different colors. It may either represent a figure to fill the breadth of the intended fab ric or one which is to be repeated several times side by side in the breadth and each square may either represent a single thread or a number of threads according as the tex ture is to he fine or coarse. Repetitions of several threads being colored alike at one op eration and the trouble of separating threads may be avoided by keeping the coils of the different threads distinct from each other up on the cylinder. In applying the colors to each set of yarns either the first or the last of these impressions which is made when the cylin thread can always be distinguished with cer tainty ; or a narrow Mack impression may all the sets of threads ; which decided im pressions or narrow black impression in consequence of the circumconvulsi
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