['149', '(#205)', '############################################', 'WOOLLEN', 'FRAME', 'SPINNING', 'This', 'frame', 'probably', 'does', 'not', 'represent', 'the', 'last', 'word', 'on', 'this', 'problem,', 'but', 'it', 'represents', 'the', 'most', 'im-', 'portant', 'step', 'taken', 'so', 'far', 'in', 'the', 'solution', 'of', 'the', 'fascinating', 'basic', 'problem', 'here', 'involved.', 'In', 'Fig.', '47', 'other', 'forms', 'of', '“', 'twizzle', '"', 'which', 'have', 'been', 'tried', 'on', 'the', 'Continent', 'are', 'illustrated,', 'The', 'Drury', 'Direct', 'Spinning', 'Frame.', 'This', 'was', 'an', 'attachment', 'to', 'the', 'condenser,', 'and,', 'as', 'a', 'consequence,', 'its', 'output', 'was', 'limited', 'to', 'the', 'output', 'of', 'the', 'card.', 'Briefly', 'it', 'consisted', 'of', 'two', 'endless', 'bands', 'between', 'which', 'twist', 'was', 'supposed', 'to', 'be', 'rubbed', 'into', 'the', 'condensed', 'sliver.', 'A', '"', 'free-end"', 'was', 'supposed', 'to', 'be', 'obtained', 'by', 'means', 'of', 'a', 'needle-point', 'acting', 'with', 'the', 'rubbing-bands', 'just', 'as', 'the', 'sliver', 'left', 'the', 'rings', 'of', 'the', 'doffer.', 'The', 'yarn', 'pro-', 'duced', 'on', 'this', 'frame,', 'however,', 'was', 'so', 'weak', 'that', 'it', 'was', 'obvious', 'that', 'very', 'little', 'twist', 'was', 'ever', 'inserted.', 'Yarns', 'up', 'to', '1,500', 'yd.', 'to', 'the', 'lb.', 'were', 'said', 'to', 'be', 'satisfactorily', 'produced', 'on', 'this', 'frame.', 'Perhaps', 'the', 'criticism', 'should', 'also', 'be', 'suggested', 'that', 'at', 'the', 'best', 'the', 'product', 'was', 'only', 'a“', 'twisted', 'condensed', 'sliver”', 'and', 'not', 'a', 'spun', 'thread."', 'Relative', 'Production', 'of', "Platt's", 'Frame', 'and', 'Mule', 'with', 'Respective', 'Costings.', 'The', 'following', 'calculations', 'and', 'the', 'graphs', '(Figs.', '48', 'to', '51)', 'give', 'the', 'bases', 'of', 'calcula-', 'tion', 'for', 'both', 'productions', 'and', 'costings.', 'For', 'the', 'frame', 'the', 'calculation', 'for', 'production', 'is', 'very', 'simple.', 'If', 'the', 'spindles', 'run', 'at', '3,000', 'revolutions', 'per', 'minute', 'and', 'a', 'twist', 'angle', 'of', '25°', '(2', 'turns', 'per', '1', 'in.', 'for', 'I', 'skein)', 'be', 'taken', 'as', 'a', 'basis', 'for', 'twist', 'throughout,', 'then', 'the', 'calculation', 'stands', ':-', 'For', 'i', 'skein', '(Yorkshire)', '.', '3,000', 'X', '60', '2', 'X', '36', 'X', 'I', 'X', '256', 'per', 'spindle', 'per', 'hour.', 'This', 'calculation', 'is', 'exceedingly', 'simple', 'and', 'will', 'cause', 'no', 'one', 'any', 'trouble.', 'But', 'this', 'is', 'the', 'calculation', 'for', 'I', 'skein', 'only.', 'Apply', 'the', 'principle', 'of', 'exaggeration', 'and', '9.76', 'lb.', '149']
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