Abstract
IN reference to my letter upon the above subject, which was published in your columns of February 21 last, I have received from Prof. de Candolle, of Geneva, a communication dated March 11, in which he calls attention to the fact that in his “Géographie Botanique raisonné”, which was published as far back as the year 1855, he recorded the suggestion (made by himself some ten years previously) of the employment of an uncompensated pendulum fitted with a suitable registering apparatus for the determination of cumulative temperatures in connection with the application of meteorology to agriculture and to the geography of plants.
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COOKE, C. Cumulative Temperatures. Nature 17, 448 (1878). https://doi.org/10.1038/017448a0
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DOI: https://doi.org/10.1038/017448a0
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