['211', '(', '283', ')', 'WORSTED', 'DRAWING', 'MACHINES', 'This', 'may', 'be', 'checked', 'by-', 'Front-roller', 'speed', '0677', 'Back-roller', 'speed', '=', '3:55', 'total', 'draft.', '0191', 'Such', 'points', 'as', 'the', 'method', 'of', 'measuring', 'the', 'diameter', 'of', 'the', 'porcupine', '(', 'and', 'even', 'of', 'the', 'direction', 'of', 'point', 'and', 'running', 'of', 'the', 'porcupine', ')', 'and', 'the', 'tensions', 'necessary', 'to', 'give', 'the', 'best', 'results', 'should', 'be', 'very', 'carefully', 'con-', 'sidered.', 'In', 'the', 'French', 'roving-box', 'there', 'is', 'a', 'balling-head', 'specially', 'designed', 'to', 'lay', 'the', 'meshes', 'closely', 'side', 'by', 'side', 'from', 'start', 'to', 'finish', 'of', 'each', 'ball', '(', 'Fig.', '66a', ')', '.', 'The', 'satis-', 'faction', 'and', 'inspiration', 'of', 'efficient', 'work', 'which', 'is', 'thus', 'en-', 'sured', 'is', 'by', 'no', 'means', 'to', 'be', 'ignored', ',', 'although', 'it', 'is', 'natural', 'for', 'the', 'ordinary', 'overlooker', 'to', 'wish', 'for', 'a', 'mechanism', 'which', 'he', 'can', 'start', 'up', 'without', 'any', 'difficult', 'calculation', 'or', 'the', 'exercising', 'of', 'his', 'possibly', 'lethargic', 'judgment.', 'The', 'following', 'particulars', 'respecting', 'French drawing-boxes', 'may', 'be', 'especially', 'useful', 'in', 'view', 'of', 'the', 'increasing', 'importance', 'of', 'French', 'drawing.', 'Porcupines', 'for', 'French drawing-boxes', ':', 'Complete', 'Particulars', 'for', 'French drawing machines', 'PORCUPINES', 'FOR', 'FRENCH DRAWING-BOXES', 'No.', 'of', 'rows', 'of', 'pins.', 'Pins', 'in', 'one', 'row.', 'Birmingham', 'wire', 'gauge.', '=', 'Set', 'over', 'in', 'mms.', '(', 'width', ')', '.', '=', 'Diameter', 'of', 'shaft.', 'F', '=', 'Diameter', 'at', 'base', 'of', 'porcupine', 'in', 'mms.', 'G', 'Diameter', 'of', 'fange', 'of', 'porcupine', 'in', 'mms.', 'A', 'B', 'C', 'D', 'E', 'Operation', 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'ist', 'Drawing Box', '2nd', '3rd', '36', '47', '84', 'Iña', 'Ito', 'ITE', '60', '60', 'бо', '4th', '20', '22', '23', '25', '26', '27', '44', '48', '50', '40', '36', '42', '44', '47', '54', '240', '80', '80', '70', '70', '70', 'IP', '52', '62', '72', '5th', '6th', '17', 'IM', '48', '48', '48', 'A', '38', 'The', 'above', 'particulars', 'are', 'for', 'Messrs.', 'Platt', 'Bros.', "'", 'machines.', '2II']
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