The art of weaving, by hand and by power, with an introductory account of its rise and progress in ancient and modern times . ur leaves, tliis arrangement is always adopted, butwhen a greater number of leaves is used, a kind of aUemate suc-cession is esteemed preferable : this is called by weavers TWEELING. 105 BREAKING THE TWEEL. When a tweel consists of many leaves, the flushing of both warpand weft would be so great, that the intervals between the pointsat which they are interwoven would necessarily be very flimsy, (asin many kinds of French fancy vestings) and the fabric very un-equal. To
The art of weaving, by hand and by power, with an introductory account of its rise and progress in ancient and modern times . ur leaves, tliis arrangement is always adopted, butwhen a greater number of leaves is used, a kind of aUemate suc-cession is esteemed preferable : this is called by weavers TWEELING. 105 BREAKING THE TWEEL. When a tweel consists of many leaves, the flushing of both warpand weft would be so great, that the intervals between the pointsat which they are interwoven would necessarily be very flimsy, (asin many kinds of French fancy vestings) and the fabric very un-equal. To obviate this inconvenience, the broken tweel is same mounting by which a regular tweel is wrought, will alsowork a broken tweel by treading in different succession. But thiswould derange the order of the treadles, and, as mentioned before,might be productive of many mistakes. Weavers therefore preferplacing the cording so that the regular succession of the treadlesmay be preserved, while the effect of the broken tweel is at thesame time produced. An example of each of these follows : Thefirst, Fig. 21, Fig. 4 3 2 1 1 2 3 4 5 6 is a plan for mounting a loom, so as to produce both plain andtweeled cloth at the same time. Such plans are generally adopted,when it is requisite to weave webs, the grounds of which are to beplain, and the stripes tweeled by the warp. Two treadles are added,to enable the weaver to work the whole fabric plain, if not required, the two plain treadles A B may be omitted. Inthis plan, the leaves 1, 2, 3 and 4 contain that portion of the warpwhich is to form the tweeling or stripes, the leaves A B, that por-tion which is to form the ground or intervals. An examination ofthe mode of applying the cording will evince that when the treadles1, 2, 3 and 4 are pressed down in the order of the numbers, thetweeling leaves 1, 2, 3 and 4 will rise successively, and the plainleaves A B alternately. The draught of the warp through thereed,
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Keywords: ., bookcentury1800, bookdecade1840, booksubjectweaving, bookyear1844
