Word: slittings
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...cylindrical above the balcony to an additional height of 10 feet. Within this tower which is 21 feet in diameter, rises a heavy masonry pier where an equatorial telescope of 12 inches aperture will be placed. The tower is covered by a revolving copper dome containing a wide slit which can be turned to any part of the heavens. The main building, situated at the east end of the tower, is 43x27, and 25 feet high. The roof is flat and is reached by a stair case which leads also to the tower. The building contains one large...
...method the spectra of various metals were obtained by burning the metal in the flame of a Bunser lamp placed before the slit of a spectroscope which had one prism. As a consequence the lines of the spectra were crowded together and confused. The modern method of observing spectra is by taking photographs in the spectroscope and composing the result with a photograph of the Sun's spectrum...
That when they commence junior sophisters, their coats shall have the further addition of frogs on the button side, -continuing the plain cuff; and they shall also provide themselves with black gowns, having a close sleeve and slit cuff, to be made according to the direction of the corporation...