Word: length
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...this country and in England the objectives and oculars are named in inches or fractions of an inch, relatively to the focal length of a simple lens which will produce the same magnification. Thus taking the focal length of the eye as ten inches, a one inch objective magnifies ten diameters, a 1-50 inch objective, five hundred diameters; a 1-100 objective, one thousand diameters; (the highest powers made). When the ocular system is added, the magnification is equal to the product of the magnifying powers of the objective times the ocular. For instance, a two inch vocular...
...yards line. Willard got the ball and attempted to rush, but was brought to the ground by Porter. Soon, however, the ball was in '88's territory, but in an instant it was in Porter's hands, who made the longest rush of the game, nearly half the length of the field. During the next ten minutes the ball was kept in the middle of the field. Gradually it was forced towards '88's goal, and for a few minutes there was sharp playing on both sides. Fletcher now made a splendid rush and scored a touch-down, from which...
...exception and not the rule. '88 won the toss and choose the goal towards Oxford street. As soon as play was begun the ball was passed to Morgan, who rushed it down the field and into the hands of Porter, he in return kicking it back half the length of the field. '88 quickly made a touch-down. The ball was punted out for a fair catch and a try at goal made, which failed. A bad fumble was made by Perry, '89, followed by a fair catch by Perkins. Porter now began the series of brilliant rushes, which were...
...rushes for eighty-nine. While Perry as half back, downed every man who got through the rush line, in a most wonderful manner. However, eighty-nine was not strong enough to hold their own, and slowly the ball was worked down to their line. Woodbury got the ball at length, and made a touch-down; but no goal was obtained. Wardman, who had received a severe fall, was forced to leave the field, and as eighty-nine had no more substitutes ready, they finished the game with only six rushers. The ball was kicked out, and after a little skirmishing...
...fourth or fifth wave. Then the impulses declined in force and died away about as they had come. In addition to the screen Prof. Rogers made use of direct observation of the mercury surface through a microscope, thus giving him the added advantage of judging the wave's length, etc. which a direct view of them would furnish...