Write to the booksellers
ATTWOOD, STEPHEN S.
Electric and Magnetic Fields.
N.Y., Dover Publ., (1952). Orig. wrappers. 475 pp.
Reference : 42352
Bookseller's contact details
Herman H. J. Lynge & Son
William Schneider
Silkegade 11
1113 Copenhagen
Denmark
+45 33 155 335
Payment mode
Sale conditions
All items may be returned for a full refund for any reason within 14 days of receipt.
5 book(s) with the same title
On the Effect of Electric and Magnetic Fields on Spectral Lines. [Off-print From the Philosophical Magazine (Vol. 27) for March 1914]. - [EXPANDING QUANTUM THEORY - PRESENTATION-COPY]
[London, Taylor & Francis], 1913. 8vo. Original printed wrappers. Excellent, very fresh copy, with only a two small marginal tears to front wrapper, no loss. Spine and cords completely fresh and fully intact. Pp. (1) +506-525.
Scarce first edition, off-print issue with presentation-inscription, of Bohr's first paper on the Stark-effect, being the seminal paper in which Bohr for the first time applies his theory to electric effect and expresses his widening interest in quantum theory. The work is inscribed to the famous Danish physicist ""Hr. Mag. scient. A.W. Marke/ med venlig Hilsen/ fra Forfatteren"" (""Mr. Master of Sciences A.W. Marke/ with kind regards/ from the author""). Axel Waldbuhm Marke (1883 - 1942) was professor of Physics in Copenhagen. His scientific works were originally centred around magnetic investigations, for which he was trained by P. Weiss in Zürich, in 1914. Due to WWI, he had to return, however, and during the difficult journey back, he lost all of his records. In 1916 he published an important work on the thermomagnetic qualities of water, and he has written a number of highly praised text books on physics, optics, meteorology, and climatology. He was renowned for his great skills in popularizing difficult scientific results and was famous for his lectures. The Stark-effect (the shifting and splitting of spectral lines of atoms and molecules due to presence of an external static electric field) is named after Johannes Stark, who discovered it in 1913. Although Stark shortly after having discovered it became and ally of Nazi Germany and rejected the developments of modern physics, his discovery became of the utmost importance to the development of quantum theory.""Once again we must go back to November 1913. On the 20th of that month Stark announced to the Prussian Academy of Sciences an important new discovery: when atomic hydrogen is exposed to a static electric field its spectral lines split, the amount of splitting being proportional to the field strength. (the linear Stak effect). After Rutherford read this news in ""Nature"", he at once wrote Bohr: ""I think it is rather up to you at the present to write something on... electric effects.""We now encounter for the first time the widening interest in quantum theory [...] Even before Bohr sat down to work on the Stark effect, Warburg from Berlin published an article in which the Bohr theory is applied to this new phenomenon. Bohr's own paper [i.e. the present] on the subject appeared in March 1914. The next year he returned to the same topic."" (Pais, Niels Bohr's Times, p. 182). Rosenfeld: No. 10.
"RUTHERFORD, ERNEST - NIELS BOHR - C.G. DARWIN. - THE DISCOVERY OF THE 'PROTON'.
Reference : 41545
(1914)
The Structure of the Atom. (Rutherford) + (Darwin:) Collision of 'alpha' Particles with Light Atoms. + (Bohr:) On the Effect of Electric and Magnetic Fields on Spectral Lines
London, 1914. No wrappers, but stiched. All three papers contained in: ""Philosophical Magazine"", Sixth Series, Vol. 27. No. 159. March 1914. The whole issue issue offered (=no. 159): pp. 397-540 and 2 plates.Rutherford's paper.pp. 488-498. - Darwin's paper: pp. 499-506. - Bohr's paper: pp. 506-523. All clean and fine.
First edition and first printing of all three papers. Rutherford, in this paper for the first time identifies the hydrogen nucleus, and called it the 'positive electron'. He later called it 'the proton' . In his definitive paper of 1911 he estimated the radius of the nucleus, a hundred thousand times smaller than that of an atom. Darwin in his paper (offered here) gave a more precise measure.In the first lines of the paper Rutherford outlines the content ""The present paper and and the accompanying paper by Mr. C. Darwin (the second paper offered here) deal with certain points in connection with the ""nucleus"" theory of the atom which were purposely omitted in my first communication on that subject (Phil. Mag. May 1911). A brief account is given of the later investigations which have been made to test the theory and of the deductions which can be drawn from them. At the same time a brief statement is given of recent observations on the passage of alpha particles through hydrogen, which throw importent light on the dimensions of the nucleus."" - Rutherford had studies alpha-particles intensely in the years before 1914 and proved quite conclusively that the individual particle was a helium atom with its electrons removed. The alpha particles were like the positive rays that had been discovered by Goldstein (1886), and now in 1914 (the paper offered) Rutherford suggested that the simplest positive rays must be those obtained from the hydrogen and that these must be the fundamentall positively-charged particle. He names it a 'positive electron'.Darwin, in the paper offered ""concluded from the known data:""No force proportional to some power of the distance other than the inverse square can give the dependence (the Rutherford scattering cross section) on (the initial velocity)"", and he then calculated the distance of closest alpha-particle-nucleus approach.The paper by Niels Bohr relates to ""The Stark effect"". In 1913 appeared ""an importent new discovery: when atomic hydrogen is exposed to a static electrical field its spectral lines split, the amount of splitting being proportional to thefield strenght (the linear Stark effect). After Rutherford read this news in ""Nature"", he at once wrote to Bohr:'I think it is rather up to you at the present time to write something on....electric effects.'"" (A. Pais). Bohrs paper on The Stark effect appeared in 1914, the paper offered here. - Rosenfeld. Niels Bohr' publications No. 10).
PROTECTION OF WORKERS FROM POWER FREQUENCY ELECTRIC AND MAGNETIC FIELDS, A PRACTICAL GUIDE (Occupational Safety and Health Series, n° 69)
International Labour Office, Geneva. 1994. In-8. Broché. Très bon état, Couv. fraîche, Dos impeccable, Intérieur frais. 80 pages. Illustré de nombreux graphiques et schémas en noir et blanc dans le texte.. . . . Classification Dewey : 420-Langue anglaise. Anglo-saxon
Occupational Safety and Health Series, n° 69. Classification Dewey : 420-Langue anglaise. Anglo-saxon
Photocopies : Biological effects of power frequency electric and magnetic fields : Background paper.
Office of Technology Assesment. Non daté. In-4. Broché. Bon état, Couv. convenable, Dos satisfaisant, Intérieur frais. 103 pages augmentées de quelques illustrations en noir et blanc dans le texte. Relié par une agraffe. Texte en anglais sur deux colonnes.. . . . Classification Dewey : 420-Langue anglaise. Anglo-saxon
Classification Dewey : 420-Langue anglaise. Anglo-saxon
On some new Electro-Magnetical Motion, and on the Theory of Magnetism. By Michael Faraday, Chemical Assistant in the Royal Institution. (+) Note on New Electro-Magnetical Motions. (+) Historical Statement respecting Electro-Magnetic Rotation. (3 Papers). - [THE FIRST ELECTRIC MOTOR - INTRODUCING ""LINES OF FORCE"" AND THE UNIVERSE OF ""FIELDS""]
London, John Murray, (1821), 1822, 1823. Wirhout wrappers as extracted from ""The Quarterly Journal of Science and the Arts. (The Royal Institution of Great Britain)"", vol. XII a. XV. Half-title and title-page to vol. XII, pp. 74-96 a. pp. 416-421 and 1 engraved plate (showing Faraday's apparatus for illustrating electromagnetic rotation). Title-page to vol. XV. Pp. 288-292. The plate slightly brownspotted.
First appearance of these three papers in which Faraday records one of the most influential discoveries in physics in the 19th Century"" - with these papers he is the very first to show how to CONVERT THE ELECTRICAL AND MAGNETIC FORCES INTO CONTINUAL MECHANICAL MOVEMENT, thus creating the first electric motor, using the principle of electromagnetic rotation. In the first paper he introduced for the first time the concept of ""LINE OF FORCE"", hereby delineating ""a picture of the universe as consisting of fields of various types, one that was more subtle, flexible, and useful than the purely mechanical picture of Galileo and Newton. The FIELD UNIVERSE was to be recognized with Maxwell half a century later and with Einstein, after an interval of another half century"" (Asimov).""Ever since Hans Christian Oersted's announcement of the discovery of electromagnetism in the summer of 1820, editors of scientific journals had been inundated with articles on the phenomenon. Theories to explain it had multiplied, and the net effect was confusion. Were all the effects reported real? Did the theories fit the facts? It was to answer these questions that Phillips turned to Faraday and asked him to review the experiments and theories of the past months and separate truth from fiction,...Faraday agreed to undertake a short historical survey...His enthusiasm was aroused in September 1821, when he turned to the investigation of the peculiar nature of the magnetic force created by an electrical current. Oersted had spoken of the ""electrical conflict"" surrounding the wire and had noted that ""this conflict performs circles"".....Yet as he experimented he saw precisely what was happening. Using a small magnetic needle to map the pattern of magnetic force, he noted that one of the poles of the needle turned in a circle as it was carried around the wire. He immediately realized that a single magnetic pole would rotate unceasingly around a current-carrying wire so long as the current flowed. He then set about devising an instrument to illustrate this effect. His paper ""On some new Electro-Magnetical Motion, and on the Theory of Magnetism"" appeared in the 21 October 1821 issue of the ""Quarterly Journal of Science"" (The paper offered). It records the first conversion of electrical into mechanical energy. It also contained the first notion of the line of force."" (DSB IV, pp. 533).
