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Scientific American, Vol. 78, No. 21 (1898) (1898)
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ined, Herr E. Stahl a finds that the nocturnal position of the leaf or leaflets AN AUTOMATIC ACETYLENE GAS GENERATOR. acts as a protection against the deposition of dew, and Artificial illumination produced by means of acety- thus promotes transpiration and increases the amount lene gas is found to… … names may be written longitudinally at approximately ung, 1897, 1te. Abtheil., p. 71. the same time. The clock mechanism, by acting di- © 1898 SCIENTIFIC AMERICAN, INC.Internet Archive · Public domain (published before 1931). Free to use for anything.
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