['89', '(#139)', '#############################################', 'CARDING', 'AND', 'CONDENSING', 'multiple', 'or', 'series', 'tape', 'machine', '(Fig.', '20a),', 'but', 'it', 'is', 'conceivable', 'that', 'it', 'might', 'be', 'so', 'improved', 'that', 'it', 'would', 'be', 'at', 'least', 'equal', 'in', 'efficiency', 'to', 'the', 'single', 'tape', 'machine.', 'In', 'Fig.', '21a', 'a', 'method', 'of', 'tape', 'control', 'different', 'from', 'those', 'illustrated', 'in', 'Figs.', '20', 'or', '20a', 'is', 'shown.', 'This', 'also', 'illustrates', 'the', 'method', 'of', 'running', 'the', 'condensed', 'slivers', 'on', 'to', 'six', 'instead', 'of', 'two', 'or', 'four', 'condensing', 'tiers.', 'Careful', 'study', 'of', 'these', 'diagrams', 'will', 'bring', 'out', 'the', 'following', 'questions', ':', '(a)', 'Method', 'of', 'doffing', 'the', 'film--comb', 'or', 'stripper', ';', '(6)', 'Continuous', 'or', 'single', 'tapes', ';', '(c)', 'Deep', 'grooved', '(Fig.', '20a)', 'or', 'shallow', 'grooved', '(Fig.', '21a)', 'tape', 'control;', '(d)', 'The', 'turning', 'over', 'of', 'the', 'tapes', 'in', 'order-', 'I.', 'to', 'deliver', 'the', 'films', 'of', 'wool', 'they', 'carry', 'to', 'the', 'rollers;', '2.', 'to', 'use', 'both', 'sides', 'as', 'film', 'carriers', ';', '(e)', 'the', 'guiding', 'of', 'the', 'tapes', 'to', 'obviate', 'two', 'tapes,', 'with', 'their', 'accompanying', 'air', 'currents,', 'running', 'against', 'one', 'another', 'and', 'so', 'disturbing', 'the', 'delicate', 'films', 'of', 'wool', 'at', 'the', 'crucial', 'moment', 'of', 'presentation', 'to', 'the', 'rubbers;', '(f)', 'the', 'number', 'of', 'tiers', 'of', 'rubbers', 'and', 'condensing', 'bobbins', 'will', 'depend', 'upon', 'the', 'width', 'of', 'the', 'tapes', '(i.e.', 'number', 'of', 'threads', 'taken', 'off', 'the', 'machine).', 'If,', 'for', 'example,', '60', 'threads', 'are', 'taken', 'off', '60', 'in.,', 'two', 'tiers', 'may', 'be', 'ample;', 'but', 'if', '180', 'threads', 'are', 'to', 'be', 'taken', 'off', '60', 'in.,', 'then', 'the', 'delivery', 'illustrated', 'in', 'Fig.', '21', 'should', 'be', 'employed.', '(g)', 'single', 'or', 'tandem', 'rubbers', 'and', 'breadth', 'of', '"rub."', 'Several', 'patents', 'have', 'been', 'taken', 'out', 'for', 'steel', 'blade', 'condensers.', 'The', 'employment', 'of', 'steel', 'bands', 'or', 'tapes', 'is', 'also', 'now', 'possibly', 'thinkable.', 'This', 'brings', 'up', 'the', 'question', 'of', 'the', 'material', 'of', 'which', 'the', 'condensing', 'tapes', 'are', 'made.', 'It', 'is', 'obvious', 'that', 'such', 'materials', '89']
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