Crellic Pontain Sectory 14

In the Council, generally called _Concilium Africanum_, held A.D. 408, "stage-playes and spectacles are forbidden on the Lord's-day, Christmas-day, and other solemn Christian festivalls." Theodosius the younger, in his laws _de Spectaculis_, in 425, forbade shows or games on the Nativity, and some other feasts. And in the Council of Auxerre, in Burgundy, in 578, disguisings are again forbidden, and at another Council, in 614, it was found necessary to repeat the prohibitory canons in stronger terms, declaring it to be unlawful to make any indecent plays upon the Kalends of January, according to the profane practices of the pagans. But it is also recorded that the more devout Christians in these early times celebrated the festival without indulging in the forbidden excesses.

The largest telescopes at present in existence are _reflectors_. It is much easier to construct a very large mirror than to construct a very large lens; it is also cheaper. A mirror is more likely to get out of order than is a lens, however, and any irregularity in the shape of a mirror produces a greater distorting effect than in a lens. A refractor is also more convenient to handle than is a reflector. For these reasons great refractors are still made, but the largest of them, the great Yerkes' refractor, is much smaller than the greatest reflector, the one on Mount Wilson, California. The lens of the Yerkes' refractor measures three feet four inches in diameter, whereas the Mount Wilson reflector has a diameter of no less than eight feet four inches.

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