Tissandier, Gaston, 1843-1899, Frith, Henry, 1840-, Harry Houdini Collection (Library of Congress) DLC · London, New York [etc.] Ward, Lock & Co · leaf 308
iron, and Mr. Bessemer founded his process of making-steel by blowing out the excess of carbon from theiron, so that the proper amount—1-$ per cent.—shouldremain. A brief summary of the Bessemer process may beinteresting. If a bar of steel as soft as iron be made red-hot and plunged into cold… … Fine wire-drawing. due to the varying thickness of the oxide ; for we knowthat when light falls upon very thin films of a substance,—soap-bubbles, for instance,—the light reflected from theunder and upper surfaces interfere, and cause colour,which varies with the thickness of the film. Thesecolours…
Scientific recreations
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