ONE:This he had done. Already for many days he had treated several officers to his best claret.In constructing patterns where it is optional whether to employ cores or not, and in preparing drawings for castings which may have either a ribbed or a cored section, it is nearly always best to employ cores. The usual estimate of the difference between the cost of moulding rib and cored sections, as well as of skeleton and cored patterns, is wrong. The expense of cores is often balanced by the advantage of having an 'open mould,' that is accessible for repairs or facing, and by the greater durability and convenience of the solid patterns. Taking, for example, a column, or box frame for machinery, that might be made either with a rib or a cored section, it would at first thought seem that patterns for a cored casting would cost much more by reason of the core-boxes; but it must be remembered that in most patterns labour is the principal expense, and what is lost in the extra lumber required for a core-box or in making a solid pattern is in many cases more than represented in the greater amount of labour required to construct a rib pattern.
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ONE:Maitrank stirred and stirred uneasily. Then he opened his eyes and stared round him. His quick, active mind was beginning to work. But those eyes were a little uneasy and fearsome as they saw both Leona and Balmayne there.
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ONE:Near Corbeek-Loo a strong Belgian force had been able even to reach the main road to Louvain, and there also destroyed the railway, after which they retreated before the advancing Germans.We have now concluded our survey of the first great mental antithesis, that between reason on the one hand, and sense and opinion on the other. The next antithesis, that between reason and passion, will occupy us a much shorter time. With it we pass from theory to practice, from metaphysics and logic to moral philosophy. But, as we saw in the preceding chapter, Aristotle is not a practical genius; for him the supreme interest of life is still the acquisition of knowledge. Theorising activity corresponds to the celestial world, in which there can be neither opposition nor excess; while passion corresponds to the sublunary sphere, where order is only preserved by the balancing of antithetical forces; and the moderating influence of reason, to the control exercised by the higher over the lower system.
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