['246', '(', '320', ')', 'WOOLLEN', 'AND', 'WORSTED', 'SPINNING', 'a', '381•0', 'Draft', '(', '6-5', ')', '-50', 'the', 'change', 'wheel', 'required', 'to', 'give', 'a', 'draft', 'of', '6-5.', 'From', 'Fig.', '69', 'the', 'Twist', 'Calculation', 'will', 'be', 'readily', 'worked', 'out', ',', 'and', 'here', 'also', 'complete', 'control', 'must', 'be', 'attained.', 'The', 'most', 'see-able', '"', 'method', 'to', 'adopt', 'here', 'is', 'to', 'start', 'from', 'the', 'revolutions', 'per', 'minute', 'of', 'the', 'main shaft', 'and', 'from', 'this', 'obtain', '(', 'a', ')', 'The', 'revolutions', 'per', 'minute', 'of', 'the', 'spindles', '(', 'or', 'flyers', ')', ',', 'and', '(', '6', ')', 'The', 'inches', 'delivered', 'per', 'minute', 'by', 'the', 'front rollers', 'Then', 'it', 'will', 'be', 'evident', 'that', 'ő', '=', 'the', 'turns', 'per', 'inch', 'in', 'the', 'yarn', '(', 'theoretical', ')', '.', 'This', 'calculation', 'stands', 'as', 'follows-', '1250', 'x', '53', 'x', '10', '=', '2290', 'revs.', 'per', 'min.', 'of', 'spindle', '.24', 'Xit', '1250', 'x', '53', 'x', '6', 'x', '34', 'x', '4', 'x', 'at', '184', 'inches', 'of', 'yarn', 'per', '24', 'X', '15', 'X', '268', 'min.', 'delivered', 'by', "F.R.'s.", '2290', '=', '12.4', 'turns', 'per', 'inch', '(', 'theoretical', ')', '.', '184', 'But', 'it', 'will', 'be', 'noted', 'in', 'this', 'calculation', 'that', 'the', 'numbers', '1250', ',', '51', 'and', '24', 'come', 'in', 'both', 'fractions', ',', 'and', 'cancel', 'one', 'another.', 'Thus', 'the', 'more', 'direct', 'method', 'is', 'the', 'following', ',', 'based', 'upon', 'one', 'revolution', 'of', 'the', 'cylinder shaft', '10', '"', '-', '8', 'turns', 'of', 'the', 'spindle', 'it', '6', 'X', '34', 'X', '4', 'X', '*', '•63', 'inches', 'of', 'yarn', 'delivered.', '15', 'X', '268', '8', '.65', "12'4", 'turne', 'per', 'inch', '(', 'theoretical', ')', '.', '246']
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