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ONE:A solid milling cutter must be an accurately finished piece of work, made with more precision than can be expected in the work it is to perform. This accuracy cannot be attained by ordinary processes, because such tools, when tempered, are liable to become distorted in shape, and frequently break. When hardened they must be finished by grinding processes, if intended for any accurate work; in fact, no tools, except gauging implements, involve more expense to prepare, and none are so liable to accident when in use.Details and sketches, when made on a separate sheet, should be to a larger scale than elevations. By changing from one scale to another the mind is schooled in proportion, and the conception of sizes and dimensions is more apt to follow the finished work to which the drawings relate. ONE:The next day at Maastricht I tried to cure the evil results of that night on the damp floor in Louvain by eating great quantities of rice and drinking much cocoa with liberal doses of cinnamon, but as it was of no avail, I started again the next morning.��Look here!�� Dick began to chuckle. ��We��ve got a queer combination to work with��our Sky Patrol has! Suspicious Sandy��and��Superstitious Jeff!�� Sandy grinned ruefully, a little sheepishly. Larry smiled and shook his head, warning Dick not to carry his sarcasm any further, as Jeff frowned.

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