['176', '(#238)', '############################################', 'WOOLLEN', 'AND', 'WORSTED', 'SPINNING', 'Botany', '2"', 'to', '4"', '6', 'or', '7', '.', '.', 'thus', 'reasonable', 'to', 'infer', 'that', 'fineness', 'and', 'length', 'of', 'fibre', 'are', 'factors', 'to', 'be', 'taken', 'into', 'consideration.', 'Then', 'if', 'the', 'following', 'lengths', 'are', 'taken', 'as', 'the', 'average', 'for', 'the', 'respective', 'tops,', 'as', 'analysed', 'on', 'the', 'Schlumberger', 'machine', ':', 'Length', 'Fineness', 'Lustre', '7"', 'to', '9"', '1/500"', 'to', '1/800"', 'Cross-bred', '4"', 'to', '7"', '1/800"', 'to', "1/1000'", '1/1000"', 'to', '1/1300"', 'the', 'reason', 'for', '5', 'or', '6', 'operations', 'for', 'lustre', 'and', 'demi-lustre', 'wools', ';', 'cross-bred', 'wools;', 'and', '7', 'or', '9', 'botany', 'wools', 'will', 'be', 'apparent.', 'It', 'must', 'be', 'conceded,', 'however,', 'that', 'this', 'is', 'empirical', 'and', 'not', 'scientific,', 'and', 'that', 'a', 'research', 'involving', 'the', 'higher', 'mathematics', 'is', 'here', 'called', 'for,', 'and', 'possibly', 'in', 'the', 'near', 'future', 'will', 'be', 'undertaken.', 'The', 'problem', 'of', '"', 'draft', 'and', 'doublings', '"may', 'now', 'be', 'clearly', 'stated.', 'Taking', 'a', '256', 'dram', 'for', 'a', '40-yd.', '(4', 'oz.', 'for', '10', 'yd.)', 'top', 'and', 'working', 'to', 'a', '4-dram', 'roving', '(which', 'again', 'would', 'be', 'given', 'a', 'draft-without', 'doubling-of', '4.5', 'to', 'obtain', "1/30's", 'count),', 'the', 'problem', 'involved', 'may', 'be', 'set', 'out', 'as', 'follows', ':', 'Top', 'I', '2', '3', '4', '5', '6', '7', '8', '9', 'operations', 'Weight', 'in', 'drams.', '256', '4', 'Draft', 'Doublings.', '(5)', '(5)', '(5)', '(4)', '(4)', '(3)', '(3)', '(2)', '(2)', 'It', 'will', 'here', 'be', 'noted', 'that', 'if', 'the', 'doublings', 'are', 'given', 'the', 'total', 'draft', 'required', 'may', 'be', 'readily', 'obtained.', 'Thus,', 'if', 'working', 'empirically', 'the', 'doublings', 'given', 'in', 'brackets', 'are', 'adopted,', 'then', 'the', 'total', 'draft', 'will', 'be', '64*', 'X5X5X5', 'X', '4', 'X', '4*3*3*', '2', 'X', '2', '=', '45920', 'and', '45920', '5.5', 'equal', 'drafts', 'for', 'the', 'nine', 'operations', 'for', 'a', '4', 'dr.', 'roving.', '*', '256', '4', '-', '64', 'dominant', 'draft.', '176']
[[51, 52, 'Textile Machine']]