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      It may also be mentioned that lathes constructed with angular guides, have usually such ways for the moving heads as well as for the carriages; this gives the advantage of firmly binding the [125] two sides of the frame together in fastening the moving head, which in effect becomes a strong girt across the frame; the carriages also have an equal and independent hold on both sides of a shear. In following this matter thus far, it may be seen how many conditions may have to be considered in reasoning about so apparently simple a matter as the form of ways for lathe carriages; we might even go on to many more points that have not been mentioned; but what has been explained will serve to show that the matter is not one of opinion alone, and that without practical advantages, machine tool-makers will not follow the most expensive of these two modes of mounting lathe carriages.

      We have, thirdly, to consider a form of individualism249 directly opposed in character to those already specified. It is the complete withdrawal from public affairs for the sake of attending exclusively to ones private duties or pleasures. Such individualism is the characteristic weakness of conservatives, who are, by their very nature, the party of timidity and quiescence. To them was addressed the exhortation of Cato, capessenda est respublica. The two other forms of which we have spoken are, on the contrary, diseases of liberalism. We see them exemplified when the leaders of a party are harassed by the perpetual criticism of their professed supporters; or, again, when an election is lost because the votes of the Liberal electors are divided among several candidates. But when a partygenerally the Conservative partyloses an election because its voters will not go to the poll, that is owing to the lazy individualism which shuns political contests altogether. It was of this disease that the public life of Athens really perished; and, so far, Hegel is on the right track; but although its action was more obviously and immediately fatal in antiquity, we are by no means safe from a repetition of the same experience in modern society. Nor can it be said that Plato reacted against an evil which, in his eyes, was an evil only when it deprived a very few properly-qualified persons of political supremacy. With regard to all others he proposed to sanction and systematise what was already becoming a common customnamely, entire withdrawal from the administration of affairs in peace and war. Hegel seems to forget that it is only a single class, and that the smallest, in Platos republic which is not allowed to have any private interests; while the industrial classes, necessarily forming a large majority of the whole population, are not only suffered to retain their property and their families, but are altogether thrown back for mental occupation on the interests arising out of these. The resulting state of things would have found its best parallel, not in old Greek city life, but in modern Europe, as it was between the Reformation and the French Revolution.

      (1.) Name some of the differences between planing and slotting machines.(2.) Why should the feed motion of a slotting machine act abruptly?(3.) To what class of work are slotting machines especially adapted?Perseverance is an important trait to be cultivated in first efforts at designing; it takes a certain amount of study to understand any branch of mechanism, no matter what natural capacity may be possessed by a learner. Mechanical operations are not learned intuitively, but are always surrounded by many peculiar conditions which must be learned seriatim, and it is only by an untiring perseverance at one thing that there can be any hope of improving it by new designs.


      In Germany, Neo-Aristotelianism has already lived out the appointed term of all such movements; having, we believe, been brought into fashion by Trendelenburg about forty years ago. Since then, the Aristotelian system in all its branches has been studied with such profound scholarship that any illusions respecting its value for our present needs must, by this time, have been completely dissipated; while the Hegelian dialectic, which it was originally intended to combat, no longer requires a counterbalance, having been entirely driven from German university teaching. Moreover, Langes famous History of Materialism has dealt a staggering blow to the reputation of Aristotle, not merely in itself, but relatively to the services of early Greek thought; although280 Lange goes too far into the opposite extreme when exalting Democritus at his expense.170 We have to complain, however, that Zeller and other historians of Greek philosophy start with an invariable prejudice in favour of the later speculators as against the earlier, and especially in favour of Aristotle as against all his predecessors, even Plato included, which leads them to slur over his weak points, and to bring out his excellencies into disproportionate relief.171Righted, Sandy exultantly screeched at the maneuver.

      What?Down the backbone of Long Island, not very high, they flew. The farms, landscaped estates and straight roads of the central zone were in striking contrast to the bay and inlet dented North Shore with its fleets of small boats, its fishing hamlets, rolling hills and curving motor drives and the seaside with its beach resorts, yellow-brown sand and tall marsh grass clustered between crab-infested salt water channels.


      A standard of lineal measures, however, cannot be taken from one country to another, or even transferred from one shop to another without the risk of variation; and it is therefore necessary that such a standard be based upon something in nature to which reference can be made in cases of doubt.


      Her reserve told me that I would not get much information here, and, finishing my beer, I asked:Of course I did not allow the little girl to go by herself, but took her with me. It was a wearying expedition in the excessive heat of that day. Very soon the child was no longer able to carry her small belongings, and, though already sufficiently loaded myself, I had to take her bundle as well. She was scarcely able to walk more than a thousand yards at a stretch, and had then to sit down on the grass by50 the roadside and rest. She did not quite understand what was going on, but she had an undefined feeling of fear on that long, deserted road, where we did not meet anybody except some well-hidden or stealthily moving German patrols who suddenly pointed their rifles at us.


      Temperance and justice are very clearly distinguished in our minds. The one is mainly a self-regarding, the other mainly a social virtue. But it would be a mistake to suppose that the distinction was equally clear to Plato. He had learned from Socrates that all virtue is one. He found himself confronted by men who pointedly opposed interest to honour and expediency to fair-dealing, without making any secret of their preference for the former. Here, as elsewhere, he laboured to dissolve away the vulgar antithesis and to231 substitute for it a deeper onethe antithesis between real and apparent goods. He was quite ready to imagine the case of a man who might have to incur all sorts of suffering in the practice of justice even to the extent of infamy, torture, and death; but without denying that these were evils, he held that to practise injustice with the accompaniment of worldly prosperity was a greater evil still. And this conviction is quite unconnected with his belief in a future life. He would not have agreed with St. Paul that virtue is a bad calculation without the hope of a reward for it hereafter. His morality is absolutely independent of any extrinsic considerations. Nevertheless, he holds that in our own interest we should do what is right; and it never seems to have entered his thoughts that there could be any other motive for doing it. We have to explain how such a paradox was possible.The one in the airplane, Dick argued, was the oneand the one on the yacht was a substitute.