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It would be pedantic, perhaps, anywhere but in a treatise on aesthetics, to deny to this quality the name of expression; we might commonly say that the circle has one expression and the oval another. But what does the circle express except circularity, or the oval except the nature of the ellipse? Such expression expresses nothing; it is really impression.
When, having observed the sun and sundry other objects, he frames the idea of a circle and tracing out its intent shows that the circle meant cannot be squared, there is no difficulty in reverting to nature and saying that the sun's circle cannot be squared. For there is no difference in intent between the circularity noted in the sun and that which is the subject of the demonstration.
For promoting the success of a chilled roll in its work, lathing or turning it to perfect circularity in the necks first, and then turning the body while the necks bear in steady brasses, are matters of the utmost importance.
The horizontal mouth is the mark of determined cunning; who has not read Nature's most spontaneous lyric in lips rounded for the candid kiss? Beauty is Nature in perfection; circularity is its chief attribute. Behold the full moon, the enchanting golf ball, the domes of splendid temples, the huckleberry pie, the wedding ring, the circus ring, the ring for the waiter, and the "round" of drinks.
As a step toward kinetic theory of matter, it is certainly most interesting to remark that in the quasi-elasticity, elasticity looking like that of an India-rubber band, which we see in a vibrating smoke-ring launched from an elliptic aperture, or in two smoke-rings which were circular, but which have become deformed from circularity by mutual collision, we have in reality a virtual elasticity in matter devoid of elasticity, and even devoid of rigidity, the virtual elasticity being due to motion, and generated by the generation of motion.
EUDOXUS. A bright deep ring-plain, about 40 miles in diameter, in the hilly region between the Mare Serenitatis and the Mare Frigoris, with a border much broken by passes, and deviating considerably from circularity.
Eratosthenes exhibits a marked departure from circularity, especially on the E., where the wall consists of two well-marked linear sections, with an intermediate portion where the crest for 20 miles or more bends inwards or towards the centre.
The concept of circularity was sufficient to Aristotle to define the movement of the heavenly bodies. But, even with the more accurate concept of elliptical form, Kepler did not think he had accounted for the movement of planets. He had to get a law, that is to say, a constant relation between the quantitative variations of two or several elements of the planetary movement.
This was the first Highland Hut that I had seen; and as our business was with life and manners, we were willing to visit it. To enter a habitation without leave, seems to be not considered here as rudeness or intrusion. The old laws of hospitality still give this licence to a stranger. A hut is constructed with loose stones, ranged for the most part with some tendency to circularity.
The gallery above, the seats below, the platform, the pulpit on which it stands, the chairs behind, the orchestra and its canopy, the window-heads, the surmountings of the entrance screen, the gas pendants, and scores of other things, have all a strong fondness for circularity; and the same predilection is manifested outside; the large lamps there being quite round and fixed upon circular columns.
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