American School of Correspondence · Chicago, American school of correspondence · leaf 288
ighted top rolls are used on fly frames intendedfor working long stock and for fine counts of yarn. A roll stand, with 254 COTTON SPINNING 213 top rolls of this kind, is shown in Fig. 181. The front and back steelrolls are one and one-quarter inches in diameter and the middle roll isone and… … Fig. 181. Roll Stand for Self - Weighted Top Rolls. one-eighth inches in diameter, filled with lead to give it additionalweight, and sometimes of cast iron. The gudgeons, for this roll, areof iron wire put through the lead. 255 214 COTTON SPINNING The back top roll is made of cast iron, two inches…
Textile industry and fabrics
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