THREE:Drilling differs in principle from almost every other operation in metal cutting. The tools, instead of being held and directed by guides or spindles, are supported mainly by the bearing of the cutting edges against the material.Flat or plane joints nearly always admit of adjustment between the fitted surfaces; that is, the material scraped or ground away in fitting can be compensated by bringing the pieces nearer together; but parallel cylindrical joints cannot even be tried together until finished, consequently, there can be nothing cut away in trying them together. Tapering, or conical joints, can of course be trial-fitted, and even parallel fits are sometimes made by trial, but it is evident that the only material that can [149] be cut away in such cases, is what makes the difference between a fit too close, and one which will answer in practice.
ONE:The truth is that critics seem to have been misled by a superficial analogy between the spiritualistic revival accomplished by Plotinus, and the Romantic revival which marked the beginning of the present century. The two movements have, no doubt, several traits in common; but there is this great difference between them, that the latter was, what the former was not, a reaction against individualism, agnosticism, and religious unbelief. The right analogy will be found not by looking forward but by looking back. It will then be seen that the Neo-Platonists were what their traditional name implies, disciples of Plato, and not only of Plato but of194 Aristotle as well. They stood in the same relation to the systems which they opposed as that in which the two great founders of spiritualism had stood to the naturalistic and humanist schools of their timeof course with whatever modifications of a common standpoint were necessitated by the substitution of a declining for a progressive civilisation. Like Plato also, they were profoundly influenced by the Pythagorean philosophy, with its curious combination of mystical asceticism and mathematics. And, to complete the analogy, they too found themselves in presence of a powerful religious reaction, against the excesses of which, like him, they at first protested, although with less than his authority, and only, like him, to be at last carried away by its resistless torrent. It is to the study of this religious movement that we must now address ourselves, before entering on an examination of the latest form assumed by Greek philosophy among the Greeks themselves.At Andenne things seemed much worse than at Huy. I stopped there on my way to Namur, and had been prepared in Lige for the sad things I should hear. A proclamation posted in the last-named town ran as follows:
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