['240', '(', '312', ')', 'WOOLLEN', 'AND', 'WORSTED', 'SPINNING', 'coming', 'research', 'experiments', 'in', 'photography', 'and', 'the', 'stroboscope', 'may', 'help', 'to', 'reveal', 'the', 'basic', 'differences', 'in', 'flyer', ',', 'cap', ',', 'ring', 'and', 'mule', 'spinning.', 'The', 'Construction', 'of', 'Spinning Frames', '—', 'The', 'creels', 'and', 'feeding', 'arrangements', 'for', 'these', 'machines', 'are', 'similar', 'to', 'those', 'already', 'described.', 'Care', 'should', 'be', 'taken', ',', 'however', ',', 'to', 'select', 'delicate', 'feeding appliances', ',', 'as', 'the', 'slivers', 'here', 'termed', '“rovings”', 'are', 'now', 'becoming', 'very', 'thin', 'and', 'may', 'easily', 'be', 'strained.', 'The', 'drafting', 'arrangements', 'are', 'very', 'similar', 'to', 'those', 'employed', 'in', 'drawing', ',', 'but', 'again', ',', 'as', 'the', 'rovings', 'when', 'drawn', 'out', 'to', 'the', 'thread-sliver', 'state', 'are', 'very', 'delicate', ',', 'the', 'most', 'perfect', 'control', 'possible', 'is', 'needed', 'at', 'the', 'nip', 'of', 'the', 'front rollers', 'This', 'means', 'small rollers', 'and', 'a', 'close', 'working', 'of', 'the', 'last', 'set', 'of', 'carriers', 'into', 'the', 'nip', 'of', 'the', 'front rollers', 'The', 'extent', 'to', 'which', 'the', 'twist', 'in', 'the', 'roving', 'here', 'introduces', 'or', 'controls', 'agitation', 'is', 'worthy', 'of', 'observation', 'and', 'consideration.', 'The', 'number', 'and', 'arrangement', 'of', 'the', 'carriers', 'must', 'be', 'such', 'that', 'while', 'they', 'do', 'not', 'bind', 'the', 'fibres', 'too', 'strongly', ',', 'they', 'do', 'present', 'the', 'slowly', 'delivered', 'fibres', 'from', 'the', 'back-rollers', 'to', 'the', 'quickly', 'revolving', 'front rollers', 'in', 'such', 'a', 'way', 'that', 'the', 'fibres', 'going', 'at', ',', 'say', ',', 'seven', 'times', 'the', 'speed', 'do', 'not', 'unduly', 'roughen', 'the', 'fibres', 'still', 'coming', 'forward', 'at', 'the', 'slower', 'speed', ',', 'nor', 'other', 'fibres', 'already', 'travelling', 'riding', 'at', 'approximately', 'the', 'greater', 'speed.', 'The', 'question', 'of', 'wood', 'or', 'metal', 'carriers', 'must', 'be', 'decided', 'with', 'mental', 'vision', 'of', 'the', 'constraint', 'or', 'lack', 'of', 'con-', 'straint', 'on', 'the', 'fibres', ',', 'following', 'the', 'use', 'of', 'either', 'the', 'one', 'or', 'the', 'other', '(', 'see', 'p.', '203', ')', '.', 'It', 'is', 'in', 'the', 'delivery', 'mechanisms', 'that', 'the', 'greatest', 'differences', 'between', 'spinning frames', 'are', 'to', 'be', 'noted', ',', 'although', 'with', 'a', 'given', 'type', 'of', 'delivery mechanism', 'cer-', 'tain', 'styles', 'of', 'rollers', 'will', 'often', 'be', 'found', 'simply', 'because', 'or', '240']
[[24, 24, 'Textile Machinery'], [26, 26, 'Textile Machinery'], [28, 28, 'Textile Machinery'], [30, 30, 'Textile Machinery'], [35, 35, 'Textile Machinery'], [38, 38, 'Textile Machinery'], [61, 61, 'Textile Machinery'], [120, 120, 'Textile Machinery'], [123, 123, 'Textile Machinery'], [133, 133, 'Textile Machinery'], [139, 139, 'Textile Machinery'], [166, 166, 'Textile Machinery'], [190, 190, 'Textile Machinery'], [195, 195, 'Textile Machinery'], [289, 289, 'Textile Machinery'], [301, 301, 'Textile Machinery'], [306, 306, 'Textile Machinery']]