[RADIOACTIVITY]. BECQUEREL, Henri. Extracts from Comptes rendus des séances de l'Académie des Sciences. Paris, 1896. 4o. Vol. 122. See PMM 393. Includes: "Sur les radiations émises par phosphorescence," no. 8; "Sur les radiations invisibles émises par les corps phosphorescents," no. 9; "Sur les radiations invisibles émises par les sels d'uranium," no. 12; "Émission de radiations nouvelles par l'uranium métallique," no. 20. -- BECQUEREL, Henri. Extracts from The Chemical News. [London], 1896. Vol 73. Includes: "On the Invisible Radiations emitted by the Salts of Uranium;" "On the different Properties of the Invisible Radiations emitted by Uranium Salts, and the Radiation of the Antikathodic Wall of a Crookes Tube;" "Chemical Notices from Foreign Sources: Radiations emitted by Phosphorescence;" "Emission of new Radiations by Metallic Uranium." -- Extracts from The Chemical News. [London], 1898. Includes: CURIE, Pierre and CURIE, Marie. "On Polonium: a New Radio-Active Substance Contained in Pitchblende," vol. 78; CURIE, Marie. "Rays Emitted by Compounds of Uranium and of Thorium," [vol. 77]. Together 10 extracts. Provenance: Institutional; from the Library of Haskell F. Norman. (10)