Abstract
A NEW REGISTERING ACTINOMETER.—M. G. de Fontenoy, of Paris, communicates to the Bulletin de la Société Astronomique de France, of August, a description of a novel registering actinometer which he has made and has found to act consistently.
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Our Astronomical Column . Nature 66, 401 (1902). https://doi.org/10.1038/066401a0
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DOI: https://doi.org/10.1038/066401a0