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    • The Harrison Memorial - Nature

      Nature· 21 hours ago

      UNVEILING AT THE CHEMICAL SOCIETY. WHEN, casting aside the shreds of national honour, the Germans initiated the use of chemical poisons on April 22, 1915, they added yet another phase to < ...

    • The Preparation of Eye-Preserving Glass for Spectacles 1 - Nature

      Nature· 22 hours ago

      ...1909—in connection with the Glass Workers' Cataract Committee of the Royal Society—I have been experimenting on the effect of adding various metallic oxides to the constituents of glass in order to cut off the invisible rays at the infra-red end of the spectrum, and thus to prepare a glass which...

    • Liquid Crystals and the X-Ray Work - Nature

      Nature· 20 hours ago

      IN two memoirs contributed to the current volume of the Verhandlungen des Naturwissenschaftlichen Vereins, Karlsruhe, Prof. O. Lehmann gives a valuable summary of his well-known researches on ...