his 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- ductivity, and in the first experiment only a few… … discovered that an alloy of iron and cerium, lanthan- in use in a 50-horse-power controller. 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…
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