TWO:
FORE:It was by an analogous, though, of course, far more complicated and ingenious adjustment, that Hegel sought to overcome the agnosticism which Kant professed to have founded on a basis of irrefragable proof. With both philosophers, however, the sceptical principle was celebrating its supreme triumph at the moment of its fancied overthrow. The dogmatism of doubt could go no further than to resolve the whole chain of existence into a succession of mutually contradictory ideas.Irregularity of cooling may be the result of unequal conducting power in different parts of a mould or cores, or it may be [98] from the varying dimensions of the castings, which contain heat as their thickness, and give it off in the same ratio. As a rule, the drag or bottom side of a casting cools first, especially if a mould rests on the ground, and there is not much sand between the castings and the earth; this is a common cause of unequal cooling, especially in large flat pieces. Air being a bad conductor of heat, and the sand usually thin on the cope or top side, the result is that the top of moulds remain quite hot, while at the bottom the earth, being a good conductor, carries off the heat and cools that side first, so that the iron 'sets' first on the bottom, afterwards cooling and contracting on the top, so that castings are warped and left with inherent strains.
FORE:
FORE:Speculation now leaves its Asiatic cradle and travels with the Greek colonists to new homes in Italy and Sicily, where new modes of thought were fostered by a new environment. A name, round which mythical accretions have gathered so thickly that the original nucleus of fact almost defies definition, first claims our attention. Aristotle, as is well known, avoids mentioning Pythagoras, and always speaks of the Pythagoreans when he is discussing the opinions held by a certain Italian school. Their doctrine, whoever originated it, was that all things are made out of number. Brandis regards Pythagoreanism as an entirely original effort of speculation,11 standing apart from the main current of Hellenic thought, and to be studied without reference to Ionian philosophy. Zeller, with more plausibility, treats it as an outgrowth of Anaximanders system. In that system the finite and the infinite remained opposed to one another as unreconciled moments of thought. Number, according to the Greek arithmeticians, was a synthesis of the two, and therefore superior to either. To a Pythagorean the finite and the infinite were only one among several antithetical couples, such as odd and even, light and darkness, male and female, and, above all, the one and the many whence every number after unity is formed. The tendency to search for antitheses everywhere, and to manufacture them where they do not exist, became ere long an actual disease of the Greek mind. A Thucydides could no more have dispensed with this cumbrous mechanism than a rope-dancer could get on without his balancing pole; and many a schoolboy has been sorely puzzled by the fantastic contortions which Italiote reflection imposed for a time on Athenian oratory.
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