. Textile raw materials and their conversion into yarns : (the study of the raw materials and the technology of the spinning process) a text-book for textile, trade and higher technical schools, as also for self-instruction ; based upon the ordinary syllabus and curriculum of the Imperial and Royal Austrian weaving schools. Fig. 10.—Scutching Knife (side view and section). and places it in the slit, a, whereupon he seizes the knife(Fig. 10) by the handle,/, in his right, and draws it sharplydown over the exposed part of the tress. A rope, h, stretched Figs, ii and. Side and l-ront Mew of the S
. Textile raw materials and their conversion into yarns : (the study of the raw materials and the technology of the spinning process) a text-book for textile, trade and higher technical schools, as also for self-instruction ; based upon the ordinary syllabus and curriculum of the Imperial and Royal Austrian weaving schools. Fig. 10.—Scutching Knife (side view and section). and places it in the slit, a, whereupon he seizes the knife(Fig. 10) by the handle,/, in his right, and draws it sharplydown over the exposed part of the tress. A rope, h, stretched Figs, ii and. Side and l-ront Mew of the Scutching Block. between the block, b, and the upright, g, protects the workerfrom injury by the knife. {b) The Scutching front view of this machine is given in Fig. 13. The fivewooden scutching knives, a, which are sharpened at b, aremounted on arms, c, fittinc: into the cast-iron hub, d, of the 26 TEXTILE RAW MATERIALS. rapidly revolving shaft, c, and in sharing the movement of thisshaft pass close behind the edge, /, of the ledge, g, on thescutching board, h. In this manner a number of sharp blowsare delivered in succession on the tress of flax, i, which is heldover the edge,/, by a workman. The ledge, held by two steelbands, h, is elastic and gives way under the influence of theknives, if the tress is unusually thick, thus preventing anytearinsj of the fibre.
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Keywords: ., bookcentury1900, bookdecade1900, booksubjecttextile, bookyear1901
