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The feed motion in slotting machines, because of the tools being held rigidly, has to operate differently from that of planing machines. The cross-feed of a planing machine may act during the return stroke, but in slotting machines, the feed movement should take place at the end of the up-stroke, or after the tools are clear of the material; so much of the stroke as is made during the feeding action is therefore lost; and because of this, mechanism for operating the feed usually has a quick abrupt action so as to save useless movement of the cutter bar."I require that everywhere a strict investigation shall take place into the conduct of the soldiers with regard to the life and property of the civilian population.
ONE:"It isn't a puncture at all," Balmayne snarled, "at least not an accidental one. Some mischievous fiend must have passed down the lane just now and done this for pure wickedness. There are two long slashes in the tyres."

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There was a general complaint in that district about the very arbitrary requisitions: for example, beds and blankets were extensively taken away from238 the convents, a thing against which the burgomaster of Bruges had already protested. Horses, cows, and other cattle were simply taken from the stables and the meadows, and paid for with paper promises.One of the effects of employing gauges in machine fitting is to inspire confidence in workmen. Instead of a fit being regarded as a mysterious result more the work of chance than design, men accustomed to gauges come to regard precision as something both attainable and indispensable. A learner, after examining a set of well fitted cylindrical gauges, will form a new conception of what a fit is, and will afterwards have a new standard fixed in his mind.(1.) Name some of the principal points to be kept in view in preparing designs?(2.) Why should attempts at designing be confined to one class of machinery?(3.) What objection exists to examining references when preparing designs?
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