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BECQUEREL, Henri (1852-1908). Recherches sur une proprit nouvelle de la matire. Activit radiante spontane ou radioactivit de la matire. Paris: Firmin-Didot et Cie., 1903.
4o (274 x 219 mm). 13 half-tone plates. Modern blue cloth, gilt-lettered spine.
FIRST EDITION. Separate issue from Mmoires de l'Acadmie des Sciences de l'Institut de France 46 (1903), pp.1-[364] (see lot 923). A lengthy summary of all of Becquerel's research into radioactivity, including his identification of electrons in radiations of radium, in 1899-1900, and his account of the evidence of a radioactive transformation, in 1901. MUCH RARER THAN THE JOURNAL ISSUE. Dibner Heralds of Science 163; PMM 393; Norman 159.
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FIRST EDITION. Separate issue from Mmoires de l'Acadmie des Sciences de l'Institut de France 46 (1903), pp.1-[364] (see lot 923). A lengthy summary of all of Becquerel's research into radioactivity, including his identification of electrons in radiations of radium, in 1899-1900, and his account of the evidence of a radioactive transformation, in 1901. MUCH RARER THAN THE JOURNAL ISSUE. Dibner Heralds of Science 163; PMM 393; Norman 159.