ONE:A common angular-pointed drill is capable of withstanding a greater amount of strain upon its edges, and rougher use than any other cutting implement employed in machine fitting. The rigid support which the edges receive, and the tendency to press them to the centre, instead of to tear them away as with other tools, allows drills to be used when they are imperfectly shaped, improperly tempered, and even when the cutting edges are of unequal length.
FORE:Perhaps no subject has gained so much from the application of the new historical method as that which we have now to study in its connexion with the progress of Greek philosophy. This is the religion of the Roman empire. On199 former occasions, we have had to observe how fruitful was the interaction between faith and reason in the early stages of Greek thought. We have now to show how the same process was continued on a greater scale during its later development and diffusion. The conditions and results of this conflict have sometimes been gravely misconceived. We have said that in more than one direction important advances were made under the empire. In the direction of pure rationalism, however, there was no advance at all, but, on the contrary, a continual loss of the ground formerly won. The polytheism which Christianity displaced turns out to have been far more vigorous and fertile than was once supposed, and in particular to have been supported by a much stronger body not only of popular sentiment, but, what at first seems very surprising, of educated conviction. We were formerly taught to believe that the faith of Homer and Aeschylus, of Pythagoras and Pheidias, was in the last stage of decrepitude when its destined successor appeared, that it had long been abandoned by the philosophers, and was giving place in the minds of the vulgar to more exciting forms of superstition newly imported from the East. The undue preponderance given to purely literary sources of information is largely responsible for an opinion which now appears to have been mistaken. Among the great Roman writers, Lucretius proclaims himself a mortal enemy to religion; Ennius and Horace are disbelievers in providence; the attitude of Juvenal towards the gods and towards a future life is at least ambiguous, and that of Tacitus undecided; Cicero attacks the current superstitions with a vigour which has diverted attention from the essentially religious character of his convictions; Lucian, by far the most popular Greek writer of the empire, is notorious for his hostility to every form of theology. Among less known authors, the elder Pliny passionately denounces the belief in a divine guidance of life and in the immortality of the soul.306200 Taken alone, these instances would tend to prove that sceptical ideas were very widely diffused through Roman society, both before and after the establishment of the empire. Side by side, however, with the authorities just cited there are others breathing a very different spirit; and what we have especially to notice is that with the progress of time the latter party are continually gaining in weight and numbers. And this, as we shall now proceed to show, is precisely what might have been expected from the altered circumstances which ensued when the civilised world was subjected to a single city, and that city herself to a single chief.
FORE:"So you shall later on," Lawrence replied. "For the present I have my hands full. I've had some hard problems to solve in the way of plots, but never one like this. Here's Bruce coming along the street. Run away and leave me to my puzzle."It is not proposed at this time to treat of the construction of machinery for transmitting power, but to examine into the conditions that should determine which of the several plans of transmitting is best in certain caseswhether belts, gearing, or shafts should be employed, and to note the principles upon which they operate. Existing examples do not furnish data as to the advantages of the different plans for transmitting power, because a given duty may be successfully performed by belts, gearing, or shaftseven by water, air, or steamand the comparative advantages of different means of transmission is not always an easy matter to determine.
FORE:Through its concealing murk flicked the tiny round object of mystery.
FORE:And leave your passenger?"True," the Countess exclaimed. "I had not thought of that. Wheel your motor into the courtyard of the Corner House before a policeman comes this way, and carry him back into the house."
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