['318', '(#412)', '############################################', 'CHAPTER', 'XIV', 'THE', 'TESTING', 'OF', 'WOOLS,', 'TOPS', 'AND', 'YARNS,', 'AND', 'EXPERIMENTAL', 'TESTING', 'APPARATUS', 'It', 'is', 'now', 'generally', 'recognized', 'that', 'even', 'the', 'smallest', 'firm', 'should', 'have', 'a', 'small', 'testing', 'laboratory—that', 'all', 'materials', 'should', 'be', 'compared', 'with', 'their', 'standards—', 'and', 'that', 'the', 'productions', 'of', 'any', 'and', 'every', 'firm', 'should', 'go', 'forth', 'accredited', 'under', 'reasonably', 'guaranteed', 'con-', 'ditions.', 'One', 'mistake', 'has', 'often', 'cost', 'a', 'firm', 'many', 'times', 'over', 'the', 'cost', 'of', 'the', 'equipment', 'and', 'maintenance', 'of', 'a', 'suitable', 'laboratory.', 'The', 'following', 'equipment', 'is', 'essential', ':-', '1.', 'Microscope', 'with', '2', 'in.,', '1', 'in.,', 'and', '3', 'in.', 'objectives,', 'with', 'substage', 'and', 'eyepiece', 'micrometer.', '2.', 'Experimental', 'equipment', 'for', 'scouring,', 'carbon-', 'izing,', 'blueing,', 'bleaching,', 'etc.', '3.', 'Hand', 'carder', '(or', 'small', 'experimental', 'set', 'of', 'draw-', 'ing', 'machines', 'followed', 'by', 'knitting', 'machine)', 'for', 'testing', 'colour', 'blends,', 'etc.', "Lovibond's", 'Tintometer', 'would', 'of', 'course', 'be', 'an', 'admirable', 'addition', 'for', 'a', 'coloured', 'yarn', 'spinner.', '4.', 'Conditioning', 'oven.', '5.', 'Velvet-covered', 'boards', 'for', 'top', 'drawing.', '6.', 'Single', 'thread', 'strength-tester', 'to', 'grasp', 'threads', 'with', 'little', 'or', 'no', 'space', 'in', 'between', 'and', 'up', 'to', 'a', 'short', 'weaving', 'length,', 'say', '18', 'in.', '318']
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