‎Zur Quantendynamik der Wellenfelder. (I-) II. (2 papers).‎

‎Berlin, Julius Springer, 1929 u. 1930. Bound in 2 contemp. uniform hcloth over marbled boards. A stamp to top of titlepages. Gilt lettering to spine. In: ""Zeitschrift für Physik. Herausgegeben von Karl Scheel"", 56. und 59. Band. VII,867 pp. u. VII,874 pp. (2 entire volumes offered). Heisenberg & Pauli's paper: pp. 1-61 a. pp. 168-190. Internally clean and fine.‎

‎First appearance of these two papers of seminal importence as Heisenberg and Pauli here laid the foundation , by using a new method, for the quantum field theory, and gave the ""relativistic formulation of quantum electrodynamics in the presence off charges and currents""(Pais). They were the first to attempt a general formulation of quantum electrodynamics by setting up a general scheme for the quantization of fields which they hoped would be applicable to the Maxwell field.In the papers they also introduced what is today called ""gauge fixing"", which from then on are among the precious tools of field theory.""Heisenberg and Pauli thus established the basic structure of QFT which can be found in any introduction to QFT up to the present day"" (Stanford Encyclopaedia of Philosophy).‎

‎Zur Quantendynamik der Wellenfelder. (I-) II. (2 papers).‎

‎Berlin, Julius Springer, 1929 u. 1930. Bound in 2 contemp. uniform hcloth. Spine ends a bit worn, cloth broken on fronthinge to vol. 56. (binding not loose).. In: ""Zeitschrift für Physik. Herausgegeben von Karl Scheel"", 56. und 59. Band. VII,867 pp. u. VII,874 pp. (2 entire volumes offered). Heisenberg & Pauli's paper: pp. 1-61 a. pp. 168-190. Internally clean.‎

‎First appearance of these two papers of seminal importence as Heisenberg and Pauli here laid the foundation, by using a new method, for the quantum field theory, and gave the ""relativistic formulation of quantum electrodynamics in the presence off charges and currents""(Pais). They were the first to attempt a general formulation of quantum electrodynamics by setting up a general scheme for the quantization of fields which they hoped would be applicable to the Maxwell field.In the papers they also introduced what is today called ""gauge fixing"", which from then on are among the precious tools of field theory.""Heisenberg and Pauli thus established the basic structure of QFT which can be found in any introduction to QFT up to the present day"" (Stanford Encyclopaedia of Philosophy).‎

‎The quantum theory of radiation -- BEL EXEMPLAIRE‎

‎Oxford, Oxford University Press, 1950, un volume in 8 relié en pleine toile éditeur, 9pp., 272pp.‎

‎---- W.H. Heitler, physicien irlandais d'origine allemande (1904/1981), émigre en Grande-Bretagne en 1933. Nommé professeur à l'université de Dublin, puis directeur de cet établissement, il occupe, à partir de 1949, une chaire de physique théorique à l'université de Zurich. Heitler a attribué, avec F. London, la liaison chimique covalente entre deux atomes identiques à une énergie d'échange, dans un célèbre mémoire de 1927 sur la molécule d'hydrogène. Il est aussi l'auteur de la théorie des gerbes d'électrons et de photons dans le rayonnement cosmique, en collaboration avec H. Bethe, et d'une théorie de la production des mésons dans le noyau**2626/M5AR‎

‎Wechselwirkung neutraler atome und homöopolare Bindung nach der Quantenmechanik.‎

‎Berlin, Julius Springer, 1927. 8vo. In contemporary half cloth with gilt lettering to spine. In ""Zeitschrift für Physik"", Vol. 44. Entire volume offered. Stamp to front free end paper, otherwise a fine and clean copy. Pp. 455-472. [Entire volume: VIII,903 pp.].‎

‎First appearance of grounbreaking paper which was the first to explain the nature of the chemical bound using wave mechanics and thus explaining the forces active when atoms exchange electrons and creating molecules.""In June, Heitler and London published their famous paper on the hydrogen molecule in which they showed the existence of a new kind of saturable, nondynamic forces, the so-called ""exchange forces"" of attraction or repulsion between like particles, and developed a schematic theory of the homopolar valence which eventually BROUGHT THE WHOLE OF CHEMISTRY UNDER THE SOVEREIGNTY OF QUANTUM MECHANICS. These results not only lent weight to the concept of like particles, they also showed that like particles may be indistinguishable, that is, may lose their identity, a conclusion which follows from the uncertainty relations or, more precisely, from the impossibility of keeping track of the individual particles in case of interactions of like particles. (Jammer in ""The Conceptual Development of Quantum Mechanic"", pp. 343 ff.).Parkinson ""Breakthroughs"" 1927 C.‎

‎Beiträge zur Erfindungsgeschichte meteorologischer Instrumente.‎

‎Berlin, Akademie der Wissenschaften, 1920. 4to. Orig. printed wrappers. Stamp on frontwrapper. Uncut.60 pp.‎

‎(Abhandungen der Preussischen Akademie der Wissenschaften. 1920. Nr. 1).‎

‎Hermann von Helmholtz (1821-1894). ‘Große Naturforscher’, 5.‎

‎Stuttgart, Wiss. Verlag, 1949, in-8°, 199 S., 5 Textabb., Original-Halbleinenband, OU. (Schönes Ex.)‎

‎OPTIQUE PHYSIOLOGIQUE (PLANCHES)‎

‎Victor Masson. Non daté. In-12. Broché. Etat d'usage, Plats abîmés, Dos frotté, Mouillures. 11 planches de schémas (gravures) en noir et blanc, 1 étant dépliable et en partie en couleur. Titre, roulettes et filets dorés sur le dos. Epidermures sur le dos et les plats. Petit manque sur le 1er plat (surface). 1 planche détachée.. . . . Classification Dewey : 530-Physique‎

‎Vers 1860-1870. Classification Dewey : 530-Physique‎

‎Studien über electrische Grenzschichten. (Studies in Electrical Contact-layers).‎

‎Leipzig, Johann Ambrosius Barth, 1879. Without wrappers as issued in ""Annalen der Physik und Chemie. Hrsg. von G. Wiedemann."", Neue Folge Bd. 7, No. 7. Pp. 337-496 a. 1 plate. (Entire issue offered). Helmholtz paper: pp. 337-382.‎

‎First appearance of a famous paper in electrodynamics in which Helmholtz was able to explain the production of electricity by friction and succeeding ""in deriving the relations of the series of electrical tensions due to friction, and the theory of the electrical machine, satisfactorily from it.....In this paper....Helmholtz comes back repeatedly to the close connection between electrical and the chemical forces, as well as to the explanation of Volta's fundamental experiment......These researches of Hertz, the results of which were plainly foreseen by helmholtz, gave substantial support to the Faraday-Maxwell hypothesis of the nature of electricity, and confirmed Helmholtz in his opinion of the accuracty of Faraday's conceptions.""(Koenigsberger ""Hermann von helmholts"", pp. 317-321).‎

‎Über die auf das Innere magnetisch oder elektrisch polarisirter Körper wirkende Kräfte.‎

‎Berlin, Akademie der Wissenschaften, 1881. Uncut in orig. printed wrappers. In: ""Monatsbericht der Königlichen Preussischen Akademie der Wissenschaften zu Berlin."" Februar issue 1881. Pp. 117-274 a. 2 plates. (Entire issue offered). Helmholtz's paper: pp. 191-213.‎

‎First appearance of this importent paper on the electromagnetic theory, proposing a complete theory of the phenomenon that insulators tend to alter their shape under the influence of dielectric forces.... ""Helmholtz finally concludes from the expression for the forces, that the two views - that, namely, which postulates forces acting at a distance, and that of Farady-Maxwell, according to which there is only polarization of the media - may thus exist side by side."" (Koenigsberger, pp. 329-30).The issue contains Rudolf Virchow's paper ""Über die ethnologische Bedeutung des Os malare bipartitum"", pp. 230-267 and 1 folded lithographed plate.‎

‎Ueber Hrn. Brewster's neue Analyse des Sonnenlichts.‎

‎Leipzig, Johann Ambrosius Barth, 1852. Without wrappers as issued in ""Annalen der Physik und Chemie. Hrsg.von Poggendorff"", Dritte Reihe Bd. 26, Achtes Stück.(= Heft No. 8 of 1852). (The entire issue (No. 8) offered). Titlepage to vol. 26. Pp. 501-600. Helmholtz's paper: pp. 501-523. Clean and fine.‎

‎First appearance of this founding paper in the modern theory of colour, in which Helmholtz proved the surprising fact that there are only two among the colours of the spectrum, yellow and indigo-blue, which together yields pure white, that is, are complementary to each other, whereas their combination had always been supposed to produce green.""Helmholtz turned to the intricate problems of color vision in 1852 with an attack on Sir David Brewster's new theory of light. Brewster had maintained the objective reality of three primary colors by supposing, in opposition to Newton, that there exist three distinct kinds of light, each of which excites in the eye one of the sensations red, yellow, or blue. Helmholtz regarded the theory as still another confusion of physical stimulus and subjective responce....He also revived Young's theory of color visoin...only to refute it. He had discovered that spectral colors, when mixed, always yield a duller color of less-than-spectral saturation. Therefore the whole idea that all colors may be obtained from mixtures of three primary colors must be incorrect, he concluded, for the spectral colorss, at least, can never be obtained in their full saturation by mixing any three of their number....Although Helmholtz dismissed Young's theory in 1852, by 1858 he had changed his mind and become its formost advocate. In order to save Ypoung's theory....Helmholtz asumed that Young's physiological primaries are not spectral colors att all, but colors of far greater-than-spectral saturation...""(DSB VI, pp. 246-247). Garrison & Morton 1508.‎

‎Ueber galvanische Ströme, verursacht durch Concentrationsunterschiede"" Folgerungen aus der mechanischen Wärmetheorie. (On galvanic Currents caused by Differences in Concentration: Deductions from the Mechanical Theory of Heat).‎

‎Leipzig, Johann Ambrosius Barth, 1878. Without wrappers as issued in ""Annalen der Physik und Chemie. Hrsg. von G. Wiedemann."", Neue Folge Bd. 3, 2. Heft. Pp. 161-320 a. 1 folded plate. (entire issue offered). Helmholtz' paper: pp. 201-216. With titlepage to volume 3.‎

‎First apperance - in full - of this importent paper in which for the first time the 2 laws of thermodynamics were applied to electrical phenomena. Parts of the paper were published already in 1877.""In 1877 Helmholtz attempted to predict theoretically the electromotive force of a galvanic cell for different concentrations of a salt solution. Under certain conditions the cell can be treated as a reversible cycle and the laws of Carnot and Clapeyron applied to it. The theory was in substantial agreement with experimental data by James Moser.""(DSB). - The Moser-paper confirming Helmholtz theory is printed here on pp. 216-219, taken from Monatsberichte der Berl. Akad., 1877.""In his work 'On Galvanic Currents', Helmholtz was the first to apply the two laws of thermodynamics to electricity. In order to keep up a current of electricity through any conductor it is necessary to expend a certain amount of chemical or mechanical work"" the supply of positive electricity in the positive end of the conductor must be perpetually renewed, in order to oppose the repulsive force of the positive electricity there accumulated, and the same holds for the negative electricity at the negative end.""(Koenigsberger ""Hermann von helmholtz"", pp. 309-12).‎

‎Physiologische Wärmeerscheinungen. Bericht ""über die Theorie der physiologischen Wärmeerscheinungen für 1845"" (Report on the Work done on the Theory of Animal Heat in 1845).‎

‎Berlin, G. Reimer, 1847. Contemp. hcalf, profusely gilt spine. Light wear along edges. XXXII,622 pp. In: ""Fortschritte der Physik im Jahre 1845. Dargestellt von der physikalischen Gesellschaft zu Berlin"". I. Jahrgang. Redigirt von G. Karsten. XXXII,622 pp. A stamp on titlepage. Helmholtz's paper: pp. 346-355. Clean and fine.‎

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‎First appearance of this milestone paper which represents the first, and most importent, step towards his great work laid down in ""Über die Erhaltung der Kraft"", 1847. This is Helmholtz' FIRST PAPER ON THE CONSERVATION OF FORCE""At the beginning of October, 1846, Helnmholtz sent a 'Report on Work done on the Theory of Animal Heat for 1845', at du Bois' request, to the ""Fortschritte der Physik"", issued by the Physical Society. (the paper offered). This was merely an abstract from the article in the Encyclopaedic Dictionary.....BUT IT ANTICIPATES MORE DEFINITELY THE CONDCLUSIONS OF HIS GREAT WORK. He states without hesitation that the material theory of heat is no longer tenable, and that a kinetic theory must be substituted for it, since heat originates in mechanical forces, either directly by friction, or indirectly from an electrical current produced by themotion of magnets. This conception of heat as a motion involves the conclusion that mechanical, electrical and chemical forces must always be the definite equivalent of one and the same energy, whatever the mode by which one force is transformed into another. The empirical confirmation of this law must be the imperative duty of physicists and physiologists.""(Leo Koenigsberger in ""Hermann von Helmholtz"", pp. 34-35).""In the ""Fortschritte der Physik"" for 1845, which appeared in 1847, Helmholtz published a report on theories of physiological heat which he later acknowledged as belonging to his work on the conversation of force.""(Jungnickel & McCormach ""Intellectual Masteryof Nature, Vol. 1, p. 157).‎

‎Die theoretische Grenze für die Leistungsfähigkeit der Mikroskope. (The Theoretical Limit of the Efficiency of Microscopes).‎

‎Leipzig, J.A. Barth, 1874. Without wrappers. In ""Annalen der Physik und Chemie. Hrsg. von J.C. Poggendorff"", Jubelband. With titlepage to ""Jubelband"". Titlepage with a stamp. Pp. 557-584‎

‎First appearance of a fundamental paper in modern optics in which Helmholtz published his discovery of the resolution limit of the microscope. He found that the limit for the difference of magnitude that we are able to distinguish plainly is in general found equal to half the wave-lenght of theparticular light employed. A further increase in optical power beyond that of the best modern instruments does not therefore seem possible.‎

‎Vorlesung über Theoretische Physik. Band II. Dynamik Continuirlich Verbreiteter Massen. Hrsg. von Otto Krigar-Menzel.‎

‎Leipzig, Johann Ambrosius Barth, 1902, gr. in-8vo, VIII + 247 S., mit 9 Figuren im Text, Original-H.-Leinen (Verlagseinband).‎

‎ Image disp.‎

‎LES SECRETS DE LA MATIERE - PHYSIQUE ET PHYSICIENS DU XXE SIECLE.‎

‎VOICI. 1964. In-8. Broché. Etat d'usage, Couv. légèrement pliée, Dos satisfaisant, Intérieur acceptable. 311 pages - quelques pages désolidarisées.. . . . Classification Dewey : 530-Physique‎

‎Traduit de l'allemand par Philippe Florent - Science information. Classification Dewey : 530-Physique‎

‎Les fondements théoriques de l'électrodynamique - EDITION ORIGINALE‎

‎La Chapelle-Montligeon, Les éditions de Montligeon, 1950, un volume in 8, broché, couverture imprimée, (petite déchirure sans manque de papier en bordure du premier plat de couverture), 70pp.‎

‎---- EDITION ORIGINALE**7436/8218/M5DEP‎

‎Experiments and Observations in Electricity. Part I -(II).‎

‎London, W. Bowyer and J. Nichols, 1777. 4to. Extracted from ""Philosophical Transactions"", Year 1777. Vol. 67 - Part I. Pp. 85-143 a. 1 folded engraved plate. Clean and fine, wide-margined.‎

‎First printing of Henley's large memoir on Franklin's theory of the Leyen Jar, on bow and violin strings oppositely electrified, on the electric origin of water-spouts etc.Wheeler Gift: 2472.‎

‎SCIENCES PHYSIQUES 3e, LIVRE DU PROFESSEUR‎

‎Didier. 1989. In-4. Broché. Bon état, Couv. convenable, Dos satisfaisant, Intérieur frais. 125 pages. Livre du professeur.. . . . Classification Dewey : 530-Physique‎

‎Coll. Daniel Secrétan. Classification Dewey : 530-Physique‎

‎Recueil de constantes physiques‎

‎1913 Gauthier Villars imprimeur libraire Société française de physique reliure demi cuir, titre doré sur le dos, 754p. bon état, coins et tranches des plats usés, reliure solide.‎

‎Table : généralités - quelques propriétés moléculaires - équation d'état, changement d'état - calorimétrie - alliages métalliques - mélanges et solutions - acoustique - optique - électricité et magnétisme - actions diverses du champ électrique et du champ magnétique - données pratiques sur les appareils et instruments de mesures. ‎

‎Henri Poincaré , La Mécanique Nouvelle , Conférence, Mémoire et Note sur la Théorie de la Relativité , Introduction de M. Edouard Guillaume , Gauthier-Villars et Cie 1924 , Edition originale , Physique , Bibliophilie , Relativité restreinte , Histoire des Sciences‎

‎Rare exemplaire de l'édition originale, bon exemplaire, léger manque au niveau de la coiffe inférieure, intérieur en partie non coupée, uniformément un peu jauni , 81 p. + table des matières‎

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‎Expédition franco de port pour la France en Colissimo recommandé, pour l'international, réduction d'un montant équivalent. ‎

‎Méthodes spectrales pour la détermination de la structure des molécules -- EDITION ORIGINALE‎

‎Liège, E.D.K., 1934, un volume in 4, broché, couverture imprimée, 29pp.‎

‎---- EDITION ORIGINALE de cette conférence donnée par Victor Henri à l'Université de Liège, le 20 Novembre 1934. Il s'agit de la cinquième conférence organisée par l'Université de Liège sous la direction de Monsieur le Professeur P. Debye**2640/L4‎

‎Physique moléculaire. Matière et énergie.‎

‎Paris: Hermann, 1933 in-8, 436 pages, 85 figures. Broché, couv.défr., dos abimé avec manques, angles lég. gauchis, bon état intérieur, VENDU EN L'ETAT.‎

‎Physique moléculaire. Matière et énergie. (Paris: Hermann, 1933) [M.C.: Physique]‎

‎Les machines électriques en automatique appliquée. Préface de F. H. Raymond.‎

‎ P., Dunod (Bibliothèque de l'Automaticien), 1967, in 8° relié pleine toile de l'éditeur, jaquette illustrée ; XIV-310 pages. ‎

‎Nombreuses figures dans le texte. PHOTOS sur DEMANDE. ...................... Photos sur demande ...................‎

‎Contributions to Electricity and Magnetism. No. III (and) IV. On Electro-magnetic Induction.‎

‎London, Richard and John E.Taylor, 1840-41. 8vo. 2 contemp. hmorocco. Tears to spines. Frontcovers on both volumes loose. Stamp to foot of titlepages. In: ""The London, Edinburgh, and Dublin Philosophical Magazine and Journal of Science. Conducted by David Brewster et al."". Vol. XVI a. vol. XVIII. VIII,607,(1) pp. a. 5 plates. + VIII,616 pp., 2 plates. (Entire volumes offered). Henry's papers: pp. 200-210, 254-265, 551-562, textillustr. (in vol. XVI) a. pp. 482-514, textillustr. (in vol. XVIII).‎

‎First printing in England of this pioneering paper on electro-magnetic induction in which Henry carried out his program of determining the relationship of static and dynamic electricity.The volumes also contains first printings by CHARLES LYELL ""On the Boulder Formation, or drift and associated Freshwater Deposits composing the Mud-cliffs of Eastern Norfolk"". Pp. 345-380, textillustr. (1840), and JOHN W. DRAPER ""An Account of some Experiments made in the South of Virginia, on the height of the Sun"".Pp. 81-84 and his ""On the Electro-motive Power of Heat. Pp. 451-461.On p. 535 we have the first announcement of the first sucessfull photographic portrait taken. Draper’s first reported portraiture was that of his sister, Miss Dorothy Catherine Draper, dressed in white sitting still for a period of 65 seconds.""Professor Draper, of the University of New York, informs us in a note dated March 31st, that he has succeeded during the Winter in procuring portraits by the Daguerreotype, and that they have all the beaty and softness of the most finished mezzotint engraving, and only requirefrom 20 to 45 seconds for execution.""‎

‎Contributions to Electricity and Magnetism. On Electro-Dynamic Induction.‎

‎New Haven, Maltby and Noyes, 1840. Contemp. hcalf. Spine gilt and with gilt lettering. In: The American Journal of Science and Arts. Conducted by Benjamin Silliman"", Vol. 38. VI,(2),416 pp. (Entire volume offered). Henry's paper:pp. 209-243, many textllustrations in woodcut. A few leaves with brownspots.‎

‎This is Henry's importent third ""Contribution"" on the dynamic induction experiments, carrying out his program of determining the relationship of static and dynamic electricity. He independently of Faraday discovered electr-magnetic inductuion in 1831. The paper was first printed in ""Transactions of the American Philosophical Society"", 1839.‎