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FERRARO, V.C.A.
Electromagnetic Theory.
London, Athlone Press, 1956. Orig. full cloth. Dustjacket with small tears at spine ends. VIII,555 pp.
Reference : 40509
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5 book(s) with the same title
"MAXWELL, JAMES CLARK. - THE INTRODUCTION OF THE ""ELECTRICAL FORMULATION"" OF THE ELECTROMAGNETIC THEORY OF LIGHT.
Reference : 42029
(1869)
On a Method of making a Direct Comparison of Electrostatic with Electromagnetic Force"" with a Note on the Electromagnetic Theory of Light. (Read June 18, 1868).
(London, Taylor & Francis, 1869) Large 4to. Without wrappers. Extracted from ""Philosophical Transactions of the Royal Society of London."", Vol. 158. Maxwell's paper: pp. 643-657. Clean and fine, wide margins.
First appearance of this major paper on electromagnetic dynamics, in which Maxwell improves the groundbreaking equations he had set forth in his famous paper of 1865, the ""A dynamical Theory of Electro-Magnetic Fields"". In the paper offered here, he for the first time proposed to base the electromagnetic theory of light solely on 2 equations. The paper is one of Maxwell's 5 most importent contributions to electromagnetism.""Formulas for the forces between moving charged bodies may indeed de derived from Maxwell's equations, but the action is not along the line joining them and can be reconciled with a dynamical principle only by taking into account the exchange of momentum with the field. Maxwell remarked that the equations might be condensed, but ""to eliminate a quantity which expresses a useful idea would be rather a loss than a gain in this stage of our enquiry."" he had in fact simplified the equations in his fifth major paper, the short, but importent ""Note on the Electromagnetic Theory of Light."" (1868), writing them in an integral form without the function A, based on four postulates derived from electrical experiments. This may be called the electrical formulation of the theory, in contrast with the original dynamical formulation."" (C.W.F. Everitt in DSB).
On a Method of making a Direct Comparison of Electrostatic with Electromagnetic Force" with a Note on the Electromagnetic Theory of Light. (Read June 18, 1868). - [THE INTRODUCTION OF THE ""ELECTRICAL FORMULATION"" OF THE ELECTROMAGNETIC THEORY OF LIGHT.]
(London, Taylor & Francis, 1869) Large 4to. In recent blue wrappers with the title-page to vol. 158. Extracted from ""Philosophical Transactions of the Royal Society of London."", Vol. 158. Maxwell's paper: pp. 643-657. Clean and fine.
First appearance of this major paper on electromagnetic dynamics, in which Maxwell improves the groundbreaking equations he had set forth in his famous paper of 1865, the ""A dynamical Theory of Electro-Magnetic Fields"". In the paper offered here, he for the first time proposed to base the electromagnetic theory of light solely on 2 equations. The paper is one of Maxwell's 5 most importent contributions to electromagnetism.""Formulas for the forces between moving charged bodies may indeed de derived from Maxwell's equations, but the action is not along the line joining them and can be reconciled with a dynamical principle only by taking into account the exchange of momentum with the field. Maxwell remarked that the equations might be condensed, but ""to eliminate a quantity which expresses a useful idea would be rather a loss than a gain in this stage of our enquiry."" he had in fact simplified the equations in his fifth major paper, the short, but importent ""Note on the Electromagnetic Theory of Light."" (1868), writing them in an integral form without the function A, based on four postulates derived from electrical experiments. This may be called the electrical formulation of the theory, in contrast with the original dynamical formulation."" (C.W.F. Everitt in DSB).
Innovation in Maxwell's Electromagnetic Theory - Molecular Vortices, Displacement Current, and Light
Cambridge University Press Malicorne sur Sarthe, 72, Pays de la Loire, France 1991 Book condition, Etat : Bon hardcover, editor'binding, under editor's printed and illustrated purple dust-jacket grand In-8 1 vol. - 235 pages
few text-figures 1st Edition, 1991 "Contents, Chapitres : Contents, Preface, x, Text, 225 pages - Introduction - The background to Maxwell's electromagnetic theory - Mechanical image and reality in Maxwell's electromagnetic theory - The elaboration of the molecular-vortex model - The introduction of the displacement current - The origin of the electromagnetic theory of light - Beyond molecular vortices - Appendix : Draft of ""On Physical Lines of Force"", a fragment - Drafts of ""A Dynamical Theory of the Electromagnetic Field"" - Vortex rotations in a curl-free region - Notes and index" near fine copy, no markings, D.-J. is fine, with minor folding tracks on the top, a nice copy
Untersuchungen über die Druckkräfte des Lichtes. - [FIRST CONFIRMATION OF MAXWELL'S ELECTROMAGNETIC THEORY]
Leipzig, Barth, 1901. 8vo. Bound in full black cloth with gilt lettering to spine. In ""Annalen der Physik"", Vol. 6, 1901. Entire volume offered. Library labels pasted on to front end papers, stamp to title page, otherwise a fine copy. Pp. 433-58. [Entire volume: VIII, 876 pp. + 3 folded plates].
First appearance of the account of Lebedev's seminal experiment proving that light exerts a mechanical pressure on material bodies thereby confirming Maxwell's electromagnetic theory for the very first time - a landmark discovery in modern physics. James Clerk Maxwell ""made an important new prediction from his electromagnetic theory-that electromagnetic waves exert a radiation pressure. Bright sunlight, he calculated, presses on the earth's surface with a force of around 4 pounds per square mile [...] This was too tiny a value to be observable in everyday life and its detection posed a challenge to experimenters. Eventually, in 1900, the Russian physicist Pyotr Lebedev succeeded, and confirmed James' prediction. Although small on an earthly scale, radiation pressure is one of the factors that shape the universe. Without it there would be no stars like our sun. [The] discovery also helped to explain a phenomenon that had puzzled astronomers for centuries-why comets' tails point away from the sun"" (Mahan, The Man who Changed Everything: The Life of James Clerk Maxwell, 183).""As early as 1891 Lebedev became seriously interested in the pressure of light. He turned his attention to the fact that since the force of gravity is proportional to the volume of a body whereas light pressure must be proportional to its surface, it may be asserted that in a particle of cosmic dust the forces of light pressure pushing the particle away from the sun will be equals to the force of gravity attracting it toward the sun. Lebedev used this theory to explain why comets'tails always point away from the sun. His hypothesis was considered correct until the discovery of the solar wind, which creates substantially greater pressure than the sun's light.Around 1898, Lebedev began experimental research on light pressure. Although its presence had been predicted by Maxwell's theory, it had not been detected experimentally before Lebedev. He first undertook research on the pressure of light on solid bodies. Because of the weakness of the effect itself and the considerable number of possible side effects, this experimental problem presented very great difficulties: if a body that is supposed to react to light pressure is placed in a gas, the warming of the body by the light will inevitably cause convection currents and thus set the body in motion. If the body is placed in a vacuum (in practice, in gas at very low pressure), the so called radiometric effect will occur. As a result of the uneven warming of the front and back of the body, the molecules of gas hitting the body from the front will be repulsed more forcefully than those striking the back, thereby exerting greater pressure. By extremely ingenious methods Lebedev succeeded in completely eliminating these side effects and not only detected the pressure of light but also measured it and showed the correctness of Maxwell's quantitative theory. ""Opytnoe issledovanie svetovogo davlenia""(""An Experimental Investigation of the Pressure of Light"") was read by Lebedev at the International Congress of Physicists at Paris in 1899 and was published in 1901."" (DSB)
Untersuchungen über die Druckkräfte des Lichtes. - [FIRST CONFIRMATION OF MAXWELL'S ELECTROMAGNETIC THEORY]
Leipzig, Ambrosius Barth, 1901. 8vo. Bound in a nice contemporary half calf with red leather title label and gilt lettering to spine. In ""Annalen der Physik"", Vol. 6, 1901. Entire volume offered. Stamp to lower part of title-page. Upper front hindge with 3 cm long tear. otherwise a fine copy. Pp. 433-58. [Entire volume: VIII, 876 pp. + 3 folded plates].
First appearance of the account of Lebedev's seminal experiment proving that light exerts a mechanical pressure on material bodies thereby confirming Maxwell's electromagnetic theory for the very first time - a landmark discovery in modern physics. James Clerk Maxwell ""made an important new prediction from his electromagnetic theory-that electromagnetic waves exert a radiation pressure. Bright sunlight, he calculated, presses on the earth's surface with a force of around 4 pounds per square mile [...] This was too tiny a value to be observable in everyday life and its detection posed a challenge to experimenters. Eventually, in 1900, the Russian physicist Pyotr Lebedev succeeded, and confirmed James' prediction. Although small on an earthly scale, radiation pressure is one of the factors that shape the universe. Without it there would be no stars like our sun. [The] discovery also helped to explain a phenomenon that had puzzled astronomers for centuries-why comets' tails point away from the sun"" (Mahan, The Man who Changed Everything: The Life of James Clerk Maxwell, 183).""As early as 1891 Lebedev became seriously interested in the pressure of light. He turned his attention to the fact that since the force of gravity is proportional to the volume of a body whereas light pressure must be proportional to its surface, it may be asserted that in a particle of cosmic dust the forces of light pressure pushing the particle away from the sun will be equals to the force of gravity attracting it toward the sun. Lebedev used this theory to explain why comets'tails always point away from the sun. His hypothesis was considered correct until the discovery of the solar wind, which creates substantially greater pressure than the sun's light.Around 1898, Lebedev began experimental research on light pressure. Although its presence had been predicted by Maxwell's theory, it had not been detected experimentally before Lebedev. He first undertook research on the pressure of light on solid bodies. Because of the weakness of the effect itself and the considerable number of possible side effects, this experimental problem presented very great difficulties: if a body that is supposed to react to light pressure is placed in a gas, the warming of the body by the light will inevitably cause convection currents and thus set the body in motion. If the body is placed in a vacuum (in practice, in gas at very low pressure), the so called radiometric effect will occur. As a result of the uneven warming of the front and back of the body, the molecules of gas hitting the body from the front will be repulsed more forcefully than those striking the back, thereby exerting greater pressure. By extremely ingenious methods Lebedev succeeded in completely eliminating these side effects and not only detected the pressure of light but also measured it and showed the correctness of Maxwell's quantitative theory. ""Opytnoe issledovanie svetovogo davlenia""(""An Experimental Investigation of the Pressure of Light"") was read by Lebedev at the International Congress of Physicists at Paris in 1899 and was published in 1901."" (DSB)
