Recent hydro-electric practice in Switze
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Article
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1911
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Elsevier Science
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English
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## I2I since the contraction induced by formalin separates the gelatin from the glass. Much more quinone and sodium-quinonesulphonate can be used than formalin without decreasing the fluidity of the resulting gelatin solutions. Uranium Ore in Mexico. (L'Ind. Chimica, x,27o.)--Mr. W. Niven discov