. 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. 210.—Popps Spiral Beater Willow (top view). be driven, , towards the left. The wool is then beaten bythe rods, /, on the shaft, e, against the grid at the bottom ofthe machine—thus separating the dust and dirt—and is finallyejected through the opening, g, in the ho
. 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. 210.—Popps Spiral Beater Willow (top view). be driven, , towards the left. The wool is then beaten bythe rods, /, on the shaft, e, against the grid at the bottom ofthe machine—thus separating the dust and dirt—and is finallyejected through the opening, g, in the hood. 4. The Spiral Vane Willow. If the spiral beater vanes of the last-named machine beimagined as prolonged the whole way along the machine, wehave the vane willow shown in Figs. 211 and 212. The sameletters apply to the same parts in both. A novel feature in 332 TEXTILE RAW MATERIALS. this case is the pair of swinging toothed iron rods, h, whichproduce the same results as would be effected by elastic teeth,. m>}fj^m)M}Mi.:m^/j»mmfJmmm)Mm}>);m. Fig. 211.—Spiral Vane Willow (vertical section).
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Keywords: ., bookcentury1900, bookdecade1900, booksubjecttextile, bookyear1901
