FORE:There was no need for Lawrence to ask who was waiting for him. He closed the door behind him, and a second later Hetty was in his arms. Then there was a long, clinging caress, and their lips met in the sweetest of embraces. It was a long time before either of them spoke. Hetty's eyes were full of happy tears.Machinery of transmission being generally a part of the fixed plant of an establishment, experiments cannot be made to institute comparisons, as in the case of machines; besides, there are special or local considerationssuch as noise, danger, freezing, and distanceto be taken into account, which prevent any rules of general application. Yet in every case it may be assumed that some particular plan of transmitting power is better than any other, and that plan can best be determined by studying, first, the principles of different kinds of mechanism and its adaptation to the special conditions that exist; and secondly, precedents or examples.
FORE:"Here's a discovery," he said, excitedly. "Here's a perfect revelation. Mr. Charlton, will you trust me for four and twenty hours with this letter? I've found out something that fairly takes my breath away."With regard to the propagation of the race, Platos methods are avowedly borrowed from those practised by bird-fanciers, horse-trainers, and cattle-breeders. It had long been a Greek custom to compare the people to a flock of sheep and their ruler to a shepherd, phrases which still survive in ecclesiastical parlance. Socrates habitually employed the same simile in his political discussions; and the rhetoricians used it as a justification of the governors who enriched themselves at the expense of those committed to their charge. Plato twisted the argument out of their hands and showed that the shepherd, as such, studies nothing but the good of his sheep. He failed to perceive that the parallel could not be carried out in every detail, and that, quite apart from more elevated considerations, the system which secures a healthy progeny in the one case cannot be transferred to creatures possessing a vastly more complex and delicate organisation. The destruction of sickly and deformed children could only be justified on the hypothesis that none but physical qualities were of any value to the community. Our philosopher forgets his own distinction between soul and body just when he most needed to remember it.
FORE:To summarise, we have the following propositions relating to steam machinery:
FORE:"This is a complication," Lawrence said, as he puffed at his cigarette thoughtfully. "It has no part in the original scheme for your destruction, which was founded on my lost skeleton novel. There is no doubt in my mind now that the Countess has made up her mind to get you under her thumb. So far I can follow her--indeed, I have followed her in a fashion that would startle that lady if she knew everything. But people of that kind have many irons in the fire, and what you tell me looks like one that has nearly burnt her fingers. Our game is to sift the incident, and try and turn it to advantage. I am going to show you some pretty sport presently connected with those diamonds. Also I am going to use them so that we shall get Maitrank on our side."For loading and unloading carts and waggons, the convenience of the old outside sling is well known; it is also a well-attested fact that accidents rarely happen with sling hoists, although they appear to be less safe than running platforms or lifts. As a general rule, the most dangerous machinery for handling or raising material is that which pretends to dispense with the care and vigilance of attendants, and the safest machinery that which enforces such attention. The condition which leads to danger in hoisting machinery is, that the power employed is opposed to the force of gravity, and as the force of gravity is acting continually, it is always ready to take advantage of the least cessation in the opposing force employed, and thus drag away the weight for which the two forces are contending; as a weight when under the influence of gravity is moved [65] at an accelerated velocity, if gravity becomes the master, the result is generally a serious accident. Lifting may be considered a case wherein the contrivances of man are brought to bear in overcoming or opposing a natural force; the imperfect force of the machinery is liable to accident or interruption, but gravity never fails to act. Acting on every piece of matter in proportion to its weight must be some force opposing and equal to that of gravity; for example, a piece of iron lying on a bench is opposed by the bench and held in resistance to gravity, and to move this piece of iron we have to substitute some opposing force, like that of the hands or lifting mechanism, to overcome gravity.
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