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Scientific American, Vol. 37, No. 13 (1877) (1877)
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up screws, the latter were all exactly alike, whereas lixiviation in caustic potash for the preparation of oxalic 4 inches. The engines are intended to be run at a piston if they had been of different sizes and shapes the difficulty speed of 400 feet per minute. The small cylinder is fitted… … [Continued on page be coupled without its 194.) being necessary for a © 1877 SCIENTIFIC AMERICAN, INCInternet Archive · Public domain (published before 1931). Free to use for anything.
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