Abstract
IN order to obtain a record of the principal meteorological variations at the summit of Mont Blanc, M. Jules Richard, of the well-known firm of scientific instrument makers, has constructed for Dr. Janssen a meteorograph which will run through the winter and spring without being re-wound.
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A Long-Period Meteorograph. Nature 50, 617–619 (1894). https://doi.org/10.1038/050617f0
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DOI: https://doi.org/10.1038/050617f0