ns of the ascent are rendered tothe if they suppose the wind at an elevation of 300 feet of these crystals is diffracted or bent, so that the rays eye less fearful. Vauxhall chimney—a giant among its to be steadier than at the surface level, they are mis- which reach the outer edge of the plate, as… … been attained the first day. the wind became so strong Fig. ARRANGEMENT OF CRYSTALS IN MICA. as to render further work dangerous. The process of Fig. 3-GLASS SCRATCHED IN TWO DIRECTIONS. fixing is after this fashion: Four iron sockets are ANGLE OF 90°, which is at once destroyed on adding water. In…
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