['259', '(', '337', ')', 'PRINCIPLES', 'AND', 'PRACTICE', 'THE', 'WORSTED MULE', 'If', 'the', 'woollen mule', 'needs', 'a', 'monograph', 'so', 'does', 'the', 'worsted mule', 'In', 'fact', ',', 'one', 'has', 'only', 'to', 'take', 'up', 'the', 'astounding', 'publications', 'of', 'some', 'of', 'the', 'Continental', 'firms', 'to', 'realize', 'what', 'amateurish', 'publications', 'are', 'all', 'too', 'frequently', 'issued', 'in', 'this', 'country.', 'The', 'essential', 'difference', 'between', 'the', 'woollen', 'and', 'the', 'worsted mule', 'goes', 'back', 'to', 'the', 'character', 'of', 'the', 'fibre', 'spun', 'on', 'each-', 'short', 'and', 'long', 'respectively.', 'Now', 'the', 'long', 'fibre', '(', 'and', 'a', 'short', 'worsted', 'fibre', 'is', 'usually', 'long', 'in', 'comparison', 'with', 'a', 'condensed', 'woollen', 'fibre', ')', ',', 'usually', 'treated', 'on', 'the', 'worsted mule', ':', '-', '(', 'a', ')', 'Allows', 'of', 'the', 'introduction', 'of', 'roller-draft', 'pre-', 'vious', 'to', 'the', 'spindle', 'and', 'carriage', 'action', ';', 'and', '(', '6', ')', 'Limits', 'the', 'spindle-draft', 'to', 'a', 'slight', '"', 'gain', '”', 'of', 'the', 'carriage', 'of', 'from', '1', 'in.', 'to', '2', 'in.', 'Perhaps', 'there', 'should', 'here', 'be', 'added', '-', '(', 'c', ')', 'The', 'finest', 'wool', 'yarns-over', 'roo', "'s", 'worsted', 'count', '-are', 'possibly', 'best', 'spun', 'on', 'the', 'worsted mule', ',', 'necessitating', 'delicate', 'delivery', 'action', 'and', 'fine', 'adjustments', 'throughout.', 'Everything', 'follows', 'from', 'these', 'three', 'points.', 'Draft-ing rollers', 'are', 'added-their', 'action', 'being', 'controlled', 'from', 'the', 'headstock—their', 'size', 'being', 'such', 'as', 'to', 'control', 'the', 'shortest', 'possible', 'fibres', ';', 'as', 'no', 'draft-twist', 'is', 'needed', 'there', 'is', 'no', 'double-speed', 'of', 'the', 'spindles', ',', 'the', 'usual', 'speed', 'of', '4,000', 'to', '5,000', 'revolutions', 'per', 'minute', 'being', 'main-', 'tained', 'throughout', 'the', 'draw', ';', 'the', 'front rollers', 'deliver', 'throughout', 'the', 'outward', 'movement', 'of', 'the', 'carriage', ',', 'the', 'arrival', 'of', 'the', 'carriage', 'at', 'the', 'end', 'of', 'its', 'draw', 'is', 'the', 'signal', 'for', 'the', 'backing-off', 'and', 'the', 'running-in', ';', 'and', 'if', 'each', 'movement', 'is', 'carefully', 'followed', 'it', 'will', 'be', 'found', 'that', 'easements', 'and', 'mechanical', 'refinements', 'are', 'introduced', '259']
[[8, 8, 'Textile Machinery'], [11, 11, 'Textile Machinery'], [18, 18, 'Textile Machinery'], [58, 58, 'Textile Machinery'], [100, 100, 'Textile Machinery'], [116, 116, 'Textile Machinery'], [118, 118, 'Textile Machinery'], [127, 127, 'Textile Machinery'], [136, 136, 'Textile Machinery'], [168, 168, 'Textile Machinery'], [184, 184, 'Textile Machinery'], [235, 235, 'Textile Machinery'], [243, 243, 'Textile Machinery'], [249, 249, 'Textile Machinery']]