American School of Correspondence · Chicago, American school of correspondence · leaf 156
discs. The wire marked D is double convex and is ovalin section. E is made triangular in section by rolling and isused for napping machines. With regard to the respective merits of needle-pointed andplough-ground wire, the latter seems to find the most favor, and, Fig. 86. Card Tooth Wire. 136… … a •Ba PQ O W @® tOFC. 137 100 COTTON SPINNING. at the present time, is used almost wholly for the revolving flatcard. It is a matter hard to decide, how much better results areobtained with it, but it certainly affords a trifle more space betweenthe wires fol the reception of dirt, nep and short…
Textile industry and fabrics
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