['216', '(', '288', ')', 'WOOLLEN', 'AND', 'WORSTED', 'SPINNING', 'Hold', 'the', 'fibre', 'very', 'firmly', 'and', 'yet', 'without', 'any', 'likelihood', 'of', 'grinding', 'or', 'cutting', ';', 'Present', 'the', 'fibres', 'to', 'the', 'front rollers', '(', 'aided', 'by', 'fallers', ',', 'porcupines', 'or', 'carriers', ')', 'in', 'such', 'a', 'way', 'that', 'they', 'control', 'the', 'fibres', 'until', 'the', 'front rollers', 'take', 'hold', 'and', 'draw', 'the', 'fibres', 'out', 'at', 'the', 'increased', 'drafting', 'speed', ';', 'and', 'finally', 'The', 'speeding', 'must', 'be', 'readily', 'under', 'control', 'so', 'that', 'according', 'to', 'the', 'qualities', 'of', 'wool', 'to', 'be', 'treated', 'the', 'drafts', 'required', 'may', 'be', 'readily', 'obtained', 'along', 'with', 'satisfactory', 'control', 'of', 'the', 'fibres', 'composing', 'the', 'slivers.', 'In', 'studying', 'pairs', 'of', 'rollers', 'in', 'combination', 'it', 'will', 'be', 'necessary', 'to', 'consider-', 'The', 'material', 'and', 'build', 'of', 'rollers', '(', 'top', 'and', 'bottom', ')', ';', 'The', 'surfaces', 'of', 'rollers', '(', 'flutings', ',', 'milled', 'sur-', 'face', ',', 'etc.', ')', ';', 'The', 'nature', 'of', 'roller', 'coverings', 'and', 'the', 'method', 'adopted', 'of', 'roller', 'covering', ';', 'The', 'sizes', 'and', 'relative', 'sizes', 'of', 'rollers', '(', 'top', 'and', 'bottom', ')', ',', 'and', 'The', 'weighting-simple', 'and', 'complex-of', 'rollers', 'Finally', ',', 'with', 'reference', 'to', 'drawing boxes', 'it', 'will', 'be', 'necessary', 'to', 'consider-', 'The', 'relative', 'sizes', 'of', 'back', 'and', 'front rollers', ';', 'The', 'adjustment', 'of', 'back', 'and', 'front rollers', 'and', 'gills', ',', 'porcupines', 'or', 'carriers', 'to', 'control', 'drafting', ';', 'and', 'The', 'angle', 'of', 'roller', 'inclination', 'and', 'the', 'angle', 'of', 'delivery', 'of', 'the', 'sliver', 'to', 'the', 'spindle.', 'The', 'casting', 'of', 'rollers', 'either', 'singly', 'or', 'on', 'a', 'central shaft', ',', 'the', 'building', 'up', 'of', 'the', 'larger', 'rollers', 'and', 'the', 'turning', ',', 'for', 'truth', 'of', '"', 'surface', ',', '”', 'of', 'all', 'rollers', 'must', 'be', 'passed', 'over', 'here', ',', 'but', 'definite', 'reference', 'must', 'at', 'least', 'be', 'made', 'to', 'the', 'materials', 'of', 'which', 'rollers', 'consist.', 'Those', 'accustomed', 'to', 'work', 'woollen mules', 'know', 'that', '216']
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