['76', '(#124)', '#############################################', 'WOOLLEN', 'AND', 'WORSTED', 'SPINNING', 'Ń', 'fibre', 'length', 'The', 'formula', 'is', 'simply', 'a', 'suggested', '3', 'basis', 'for', 'deciding', 'the', 'matter', 'of', 'wire', 'length;', 'if', 'adopted', 'it', 'would', 'still', 'require', 'modification', 'in', 'the', 'light', 'of', 'certain', 'empirical', 'knowledge.', 'It', 'does,', 'however,', 'give', 'some', 'approximation', "'to", 'present-day', 'practice.', 'The', 'length', 'of', 'wire', 'should', 'probably', 'be', 'taken', 'into', 'account', 'along', 'with', 'the', 'space', 'interval—at', 'least', 'in', 'the', 'true', 'carding', '”', 'positions', '(worker', 'and', 'swift).', 'If', 'the', 'length', 'of', 'the', 'wire', 'above', 'the', 'knee', 'be', 'taken', 'as', 'the', 'carding', 'length,', 'then', 'the', 'three', 'factors', ':', 'length', '(approximately)', 'of', 'swift', 'wire,', 'space', 'interval,', 'length', '(approximately)', 'of', 'worker', 'wire', 'should', 'be', 'just', 'equal', 'to', 'the', 'minimum', 'fibre', 'length', 'to', 'ensure', 'equal', 'carding', 'conditions', 'for', 'the', 'fibre.', 'This', 'condition', 'is', 'probably', 'attained', 'in', 'carding', 'short', 'fibres', 'of', 'fairly', 'average', 'length,', 'but', 'in', 'carding', 'longer', 'fibres', 'there', 'is', 'a', 'marked', 'discrepancy.', 'This', 'is', 'due', 'partly', 'to', 'the', '“lie', '”', 'of', 'the', 'fibres', 'upon', 'the', 'revolving', 'cylinders,', 'partly', 'to', 'the', 'resist-', 'ance', 'offered', 'during', 'transference', 'from', 'cylinder', 'to', 'cylin-', 'der--even', 'in', 'stripping,', 'and', 'partly', 'due', 'to', 'air', 'friction.', 'It', 'is', 'difficult', 'to', 'see', 'how', 'the', 'practical', 'nece', 'ties', 'can', 'here', 'be', 'met', 'with', 'any', 'other', 'method', 'than', 'empiricism,', 'but', 'the', 'value', 'of', 'having', 'mental', 'vision', 'of', 'what', 'is', 'happening,', 'and', 'some', 'basis', 'of', 'reference,', 'is', 'still', 'strongly', 'in', 'evidence.', '(c)', 'The', 'combination', 'of', 'foundation', 'and', 'wire', 'to', 'meet', 'the', 'requirements', 'of', 'the', 'various', 'and', 'different', 'activities', 'observable', 'in', 'every', 'carding', 'engine,', 'and', 'also', 'to', 'meet', 'the', '*requirements', 'of', 'carding', 'engines', 'designed', 'to', 'card', 'par-', 'ticular', 'fibres,', 'must', 'now', 'be', 'considered.', 'Differences', 'here', 'will', 'be', 'found', 'to', 'be', 'due', 'to', '76']
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