['192', '(', '254', ')', 'CHAPTER', 'VII', 'WORSTED DRAWING MACHINES', 'CLOTHING', 'OF', 'BASIC', 'PRINCIPLES', 'The', 'mechanical', 'clothing', 'of', 'the', 'principles', 'dealt', 'with', 'must', 'now', 'be', 'carefully', 'considered.', 'There', 'are', 'four', 'distinct', 'types', 'of', 'machines', 'employed', 'in', 'the', 'conversion', 'of', 'the', 'comparatively', 'thick', '"', 'top', 'into', 'the', 'comparatively', 'thin', 'and', 'level', '“', 'roving', ',', '"', 'from', 'which', 'the', 'worsted', 'spinner', 'may', 'produce', 'a', 'fine', ',', 'level', 'thread.', 'These', 'are-', '1.', 'The', 'gill-box', '(', 'Figs.', '56', 'and', '57', ')', ';', '2.', 'The', 'open drawing-box', ';', '3.', 'The', 'cone drawing-box', '(', 'Fig.', '61', ')', ';', 'and', '4.', 'The', 'French drawing-box', '(', 'Figs.', '62', ',', '63', ',', '66', 'and', '66a', ')', '.', 'Under', 'extraordinary', 'circumstances', 'it', 'may', 'be', 'necessary', 'to', 'employ', 'combinations', 'of', 'these', 'machines.', 'For', 'example', ',', 'a', 'set', 'of', 'French', 'drawing-boxes', 'treating', 'open', 'slivers', 'may', 'culminate', 'in', 'a', 'cone roving-box', 'pre-', 'paring', 'slivers', 'for', 'spinning', 'on', 'the', 'cap', ',', 'ring', 'or', 'flyer frames', 'Under', 'these', 'circumstances', 'it', 'will', 'be', 'necessary', 'to', 'introduce', 'into', 'the', 'cone roving-box', 'a', 'control', '”', 'for', 'the', 'control', 'of', 'the', 'untwisted', 'fibres', 'between', 'back', 'and', 'front rollers', 'Cases', 'such', 'as', 'this', ',', 'however', ',', 'are', 'so', 'rarely', 'to', 'be', 'met', 'with', ',', 'and', 'are', 'so', 'readily', 'solved', 'in', 'view', 'of', 'sound', 'knowledge', 'of', 'the', 'principles', 'already', 'dealt', 'with', 'that', 'they', 'do', 'not', 'here', 'call', 'for', 'further', 'com-', 'ment', 'or', 'treatment.', 'porcupine-', '192']
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