American School of Correspondence · Chicago, American school of correspondence · leaf 316
30ROLL 5TAND Fig. 199. Roll Stand, 30° Pitch, forOverhanging Front Rolls. 280 COTTON SPINNING 239 … Fig. 200. Sectional Elevation of Ring Frame with Self-Weighted Top Rolls. 281 240 COTTON SPINNING In setting a frame with self-weighted top rolls, it is the practiceto set on the staple, which means to make the distance betweenthe centers of the front and middle rolls a trifle less (one-sixteenthto…
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