['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']
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