['250', '(', '326', ')', 'WOOLLEN', 'AND', 'WORSTED', 'SPINNING', '(', '2', ')', 'the', 'gradual', 'but', 'permanent', 'fall', 'of', 'the', 'bobbins', '(', 'without', 'any', 'interference', 'with', 'the', '2', '"', 'pick', ')', 'as', 'soon', 'as', 'the', 'required', 'built-up', 'diameter', 'has', 'been', 'attained.', 'The', 'action', 'of', 'the', 'mechanism', '(', 'Fig.', '72', ')', 'to', 'give', 'these', 'two', 'controls', 'will', 'readily', 'be', 'understood.', 'For', 'if', 'the', 'action', 'of', 'the', '“heart', '"', 'be', 'followed', 'through', ',', 'it', 'will', 'be', 'found', 'to', 'give', 'the', '2', '"', 'pick', 'wherever', 'the', 'lifter plate', 'with', 'its', 'bobbins', 'may', 'be', '(', 'within', 'its', 'limit', 'of', 'movement', ')', '.', 'Further', 'it', 'will', 'be', 'realized', 'that', 'if', 'the', 'hand-wheel', '(', '1', ')', 'be', 'turned', ',', 'then', ',', 'through', 'the', 'screw', '(', 'f', ')', ',', 'it', 'will', 'directly', 'elevate', 'or', 'depress', 'the', 'bobbin-rail', '(', 'g', ',', 'g', ')', ',', 'according', 'to', 'the', 'direction', 'of', 'rotation.', 'Thus', 'the', 'slow', 'rotation', 'and', 'withdrawal', 'of', 'this', 'screw', '(', 'f', ')', 'from', 'beginning', 'to', 'end', 'of', 'the', 'spin-after', 'the', 'base', 'layers', 'of', 'yarn', 'have', 'been', 'laid', 'on', 'the', 'spool-lowers', 'the', 'spools', 'so', 'that', 'the', 'yarn', 'from', 'the', 'edge', 'of', 'the', 'cap', '(', ')', ',', 'from', 'the', 'eye', 'of', 'the', 'flyer', ',', 'or', 'from', 'the', 'traveller', 'of', 'the', 'ring', ',', 'is', 'guided', 'higher', 'and', 'higher', 'upon', 'the', 'spool barrel', 'until', 'the', 'required', 'bulk', 'of', 'yarn', 'has', 'been', 'well', 'and', 'truly', 'built', 'upon', 'the', 'spool', 'It', 'will', 'now', 'be', 'realized', 'that', 'in', 'starting', 'the', 'building', 'of', 'the', 'spool', '-', '(', '3', ')', 'a', 'short', 'pick', 'must', 'be', 'employed', ',', 'gradually', 'in-', 'creasing', 'to', 'the', 'long', '(', '2', '"', ')', 'pick', ';', 'and', '(', '4', ')', 'a', 'suppression', 'of', 'the', 'permanent', 'fall', 'of', 'the', 'bobbins', 'until', 'the', '2', '"', 'pick', 'is', 'attained.', 'It', 'will', 'be', 'noted', 'that', '(', '3', ')', 'is', 'obtained', 'by', 'starting', 'the', 'friction roller', '(', 'c', ')', 'at', 'the', 'top', 'position', 'on', 'the', '"', 'monkey', '"', '(', 'd', ')', ',', 'in', 'which', 'position', 'it', 'conveys', 'the', 'smallest', 'possible', 'traverse', 'to', 'the', 'spool', ',', 'and', 'gradually', 'increases', 'this', 'as', 'it', 'is', 'lowered', 'through', '(', '1', ')', 'and', '(', 'e', ')', 'until', 'it', 'gives', 'the', 'full', 'traverse', '(', 'or', '2', '"', 'pick', ')', '.', 'It', 'will', 'be', 'noted', 'that', '(', '4', ')', 'is', 'the', 'result', 'of', 'inactivity', 'of', 'the', 'traversing', 'screw', '(', 'f', ')', 'until', 'the', 'friction-roller', '(', 'c', ')', 'is', 'in', 'the', 'position', 'to', 'give', 'the', 'full', 'pick', '(', '2', '"', ')', '.', '250']
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