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Scientific American, Vol. 26, No. 15 (1872) (1872)
leaf 7
ut of repair and difficult to clean. the quantity of ammonia which it furnishes on being main- From the ring, which supports the pot, descends an arm or tained at a temperature of 150° C. in contact with alkali. If oo Oo or brace, which engages the bottom of the pot, as shown, and KEHOE’S IMPROVED… … In albu.nen, too, about one sixth of the entire nitrogen ex- cealed a call bell, which is operated by the knob shown at ists as urea, ca. The Indian clubs of his manufacture have “long been © 1872 SCIENTIFIC AMERICAN, INCInternet Archive · Public domain (published before 1931). Free to use for anything.
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