Cambridge University Press, 1904. Fine hcalf, raised bands, gilt lettering. Probably with renewed spine. On both covers a large gilt crowned coat of arms. Corners professionally repaired. (2),VIII,(2),399,(1) pp. Textfigs. and 1 plate facing p. 169. Halftitle and a few leaves with small brownspots in upper margin, otherwise a fine clean copy.
Reference : 38588
First edition. This work marks a new epoch in the understanding of the nature of nuclear physics. ""After the discovery of thorium in 1900 new concepts of atomic structure followed from the brilliant experiments of Rutherford. A new theory of atomic disentegration was proposed, then the nuclear nature of the atom. He discovered and named alpha and beta rays emitted from radioactive salts and predicted that disintegration of some radioactive elements would generate helium. he also produced in the laboratory the first artificial transmutation of one element into another."" (Dibner, Heralds of Science No. 51). - Horblit No 91.
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Paris, Gauthier-Villars, 1896. 4to. Bound in contemporary half cloth with marbled boards. ""Comptes Rendus Hebdomadaires des Séances de L'Academie des Sciences"", Tome 122 (Entire volume offered). Two title labels with gilt lettering to spine. Minor wear to extremities, upper title label with a few nicks. Library stamp to title page, otherwise a fine and clean copy. Pp. 420-421" Pp. 501-502 Pp. 559-564 Pp. 689-694 Pp. 762-767" Pp. 1086-1088.
First appearance of the six landmark papers in which Becquerel documents his discovery of Radio-activity, PROMPTING THE NUCLEAR AGE.Becquerel was an expert in fluorescence and phosphorescence, continuing the work of his father and grandfather. Follwing the discovery of X-rays by Röntgen, Bexquerel investigated fluorescent materials to see if they also emitted X-rays. He exposed a fluorescent uranium salt, pechblende, to light and then placed it on a wrapped photographic plate.He found that a faint image was left on the plate, which he believed was due to the pichblende emitting the light it had absorbed as a more penetrating radiation.. However, by chace, he left a sample that had not been exposed to light on top of a photographic plate in a drawer. he noticed that the photographic plate also had a a faint image of the pechblende. After several chemical tests he concluded that these ""Becquerel rays"" were a property of atoms. He had, by chace, discovered radio-activity and prompted thee beginning of the nuclear age. He shared the Nobel Prize for Physics in 1903 with Marie and Pierre Curie. The ""Becquerel Rays"" were later discovered to be a composite of three forms of emanation, distinguished by Rutherford as alpha, beta and gamma rays.Dibner: 163 (the later Mémoire from 1903) - PMM: 393 (1903- Mémoire) - Garrison & Morton: 2001 (only the first paper). - Magie ""A Source Book in Physics"" p. 610 ff. - Norman:157.
"CROOKES, WILLIAM - SEPARATING URANIUM AND CREATING URANIUM X.
Reference : 47429
(1900)
(London, Harrison and Sons, 1900). Without wrappers. Extracted from ""Proceedings of the Royal Society of London"", Vol. 66. Pp. 409-422 a. 1 photographic plate.
First printing of an importent paper which pawed the way to the understanding of radioactivity. Crookes showed by using photographic plates as indicators of activity that if uranium was purified, it could be separated chemically into a nonactive portion and a radioactive portion that he called uranium X. ""In May 1900 Sir W.Crookes showed (the paper offered) that it was possible by chemical means to separate from uranium a small fraction, which he called uranium X, which possessed the whole of the photographic activity of the original substance. He found, moreover, that the activity of the uranium X gradually decayed, while the full activity of the residual uranium was gradually renewed, so that after a sufficient lapse of time it was possible to separate from it a freh supply of uranium X. These facts had an importent share in the formation of the theory (of radioactivity)."" (Whittaker ""A History of the Theories of Aether and Electricity"" Vol. II, p. 5.).
Cambridge, Cambridge University Press, 1904. 8vo. In the original green full coth with gilt lettering to spine and boards. Capitals with slight wear, and inner front hinge a bit weak, otherwise a very nice and fresh copy. Small stamp to title-page. VIII, (2), 399 pp.
First edition of Rutherford's important work containing his ""proposal of a new theory of atomic disintegration and of the nuclear nature of the atom"", (Horblit 91) being ""the first textbook on the subject and recognized as a classic at its publication in 1904"" (DSB).""The first textbook on radioactivity, surveying contemporary knowledge of the entire field. Reasearch progressed so rapidly in this erea that the second edition, published only a year later, had to be enlarged by fifity percent. The book includes a discussion of Rutherford's revolutionary transformation theory, developed during the period 1902-1903, which states that radioactivity is a by-product of the transmutation of one element into another."" (Norman).""After the discovery of thorium emanations in 1900 new concepts of atomic structure followed from the brilliant experiments of Rutherford. A new theory of atomic disintegration was proposed, then the nuclear nature of the atom. ""(Dibner ""Heralds of Science"", No 51) Horblit 91Barchas 1840.Dibner 51.