tween heard of the heat-resisting qualities of this material. The “Scrambler” is the invention of Mr. H. A. Brad- them when under no pressure but their own weight, The chief objection to graphite was its superior con- well, of New York, N. Y. offer a high degree of resistance to a current follow-… … Rear of the Controller, Showing the Resistance ium, or any other of the rare substances which are —__——________ ++ — Columns. The second largest masonry arch in the world has, used in the manufacture of incandescent gas mantles ‘will create luminous sparks on being struck with a according to…
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