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‎"RUMFORD, GRAFEN von (BENJAMIN THOMPSON). - THE ECONOMY OF HEAT.‎

Reference : 43873

(1800)

‎Beyträge zur Lehre von der Wärme in physikalisher und ökonomischer Rücksicht.‎

‎(Halle, Rengerschen Buchhandlung, 1800) Without wrappers. In ""Annalen der Physik. Herausgegeben von Ludwig Wilhelm Gilbert"", Bd. 3, Drittes Stück. (The entire issue offered). Pp. 257-376 a. 3 folded engraved plates. Rumford's paper: 257-376.‎


‎First appearance in German of selected papers from Rumford's Experimental Essays on heat, describing smoky fireplaces and his design of more efficient fireplaces using radiant heat better. He discovers that mat surfaces radiate heat better than shiny ones etc. etc.‎

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‎"RUMFORD, GRAFEN von (BENJAMIN THOMPSON). - WEAKENING THE CALORIC THEORY OF HEAT.‎

Reference : 43872

(1799)

‎Bemerkungen über dias eigenthümliche Gesetz, wonach erkaltendes Wasser nahe beim Frostpunkte seine Dichtigkeit ändert, und über die auffallenden Wirkungen dieses Gesetzes in der Oekonomie der Natur, sammt Vermuthungen über die Endursache der Salzigkei...‎

‎(Halle, Rengerschen Buchhandlung, 1799). Without wrappers. In ""Annalen der Physik. Herausgegeben von Ludwig Wilhelm Gilbert"", Bd. 1 Viertes Stück und Bd. 2, Drittes Stück. (The entire issues offered). Pp. 379-518 a. 2 folded engravd plates + pp. 249-368 a. 2 folded engraved plates. Rumford's papers: pp. 436-463 a. pp. 249-286.‎


‎First German editions of Rumford's central essays on heat flows in liquids, describing his DISCOVERY OF THE CONVECTION OF HEAT and his experiments that led to his theory of the CONVECTION CURRENTS IN THE OCEAN. The papers appeared originally in the Philosophical Transactions in 1798.‎

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‎"RUNGE, F.F. - THE DISCOVERY OF PHENOL.‎

Reference : 45159

(1834)

‎Ueber einige Produkte der Steinkohlendestillation.‎

‎(Leipzig, Johann Ambrosius Barth, 1834). Without wrappers. Extracted from ""Annalen der Physik und Chemie. Hrsg.von Poggendorff"", Bd. 31, No 5. Pp. 65-80.‎


‎First printing of the paper in which Runge discloses his discovery of carbolic acid or phenol, and how he prepared it by distilling coal.Parkinson ""Breakthroughs"", 1834 C. - Partington IV, pp. 183-84.‎

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‎Runner Jean‎

Reference : RO90136962

(1970)

‎Que sais-je? N° 1392 Le thé‎

‎Presses Universitaires de France Edition originale Première éditino 2ème trimestre 1970. 1970. In-12. Broché. Bon état, Couv. convenable, Dos satisfaisant, Intérieur frais. 128 pages illustrées de quelques dessins en noir et blanc. . . . Classification Dewey : 633.7-Plantes alcaloïdes (tabac, thé, cacao, café, pavot)‎


‎La première encyclopédie de poche fondée en 1941 par Paul Angoulvent, traduite en 43 langues, diffusée, pour les éditions françaises, à plus de 160 millions d'exemplaires, la collection Que sais-je? est l'une des plus importantes bases de données internationnales, construite pour le grand public par des spécialistes. 3800 titres ont été publiés depuis l'origine par 2500 auteurs. Classification Dewey : 633.7-Plantes alcaloïdes (tabac, thé, cacao, café, pavot)‎

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‎RUSHDIE Salman‎

Reference : 100112567

(1988)

ISBN : 0670825379

‎The Satanic Verses‎

‎Viking 1988 560 pages 16 9926x23 5966x4 5974cm. 1988. Relié. première édition. 560 pages.‎


‎jaquette convenable ( déchirée au niveau de la quatrième de couverture) tranches fânées intérieur assez propre très bonne tenue‎

Un Autre Monde - Val Couoesnon

Phone number : 07.69.73.87.31

EUR250.00 (€250.00 )

‎Rushforth Keith‎

Reference : 500092178

(1983)

ISBN : 9782040128876

‎Les Arbres: NAT‎

‎Bordas Editions 1983 1983. Relié.‎


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‎RUSKIN, John;‎

Reference : 27211

‎THE LAWS OF FESOLE. PRINCIPLES OF DRAWING AND PAINTING FROM THE TUSCAN MASTERS,‎

‎New York, Allworth Press, 1996 Illustrated cardboard cover in colour, 150 x 230mm., 224pp. ISBN 1880559447.‎


‎Introduction by Bill Beckley. In good condition.‎

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‎RUSKIN JOHN ‎

Reference : 3497

‎THE SEVEN LAMPS OF ARCHITECTURE ‎

‎ LONDON GEORGE ALLEN AND SONS 1911 WITH ILLUSTRATIONS drawn by the author in 16 , 444 pages , superbe reliure plein veau vert signée: BUMPUS, Oxford , Toutes tranches dorées , dentelles sur les plats interieurs filets dorés sur les aretes des plats , dos à cinq nerfs titre et auteur dorés etat parfait photos sur demande , tres bel objet de par sa reliure ‎


‎Ray biblio cord A4* ‎

Phone number : 06 12 23 97 16

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‎ RUSKIN John.‎

Reference : 1132

‎Val d'Arno. Ten Lectures on the Tuscan Art directly antecedent to the Florentine Year of Victories. Given before the University of Oxford in Michaelmans Term, 1873.‎

‎ 1 Relié, plein maroquin vert, plats encadrés d'un double filet doré avec fleurs de lys aux angles, dos à 5 nerfs rehaussés de points dorés, caissons encadrés d'un filet en arabesques avec un point aux angles et un fleuron au centre, auteur, titre et millésime dorés, toutes tranches dorées, contre-plats encadrés d'une bande de même maroquin bordée de filets et points dorés, lys aux angles (transfert du cuir sur les gardes). 18,2 x 12,6 cm, VI-[2]-256 p. + XI planches hors-texte. London, George Allen, 1890. ‎


‎Très élégante reliure signée Bumpus Ltd. Oxford St. W. Les Bumpus étaient réputés pour leur reliures de styles classiques de leur fondation en 1780 jusqu'au XXe siècle. En réalité, pas un seul livre n'a été relié dans cette maison, tous étaient confiés à d'autres relieurs parmi lesquels Rivière, Sangorski et Sutcliffe... Très bon état ‎

Librairie L'Abac - Bruxelles
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‎RUSSELL, PATRICK & EVERARD HOME. - THE CHANNELS OF SNAKE-POISON OBSERVED.‎

Reference : 44173

(1804)

‎Observations of the Orifices found in certain poisonous Snakes, situated between the Nostril and the Eye. With some remarks on the Structure of those Orifices" and the Description of a Bag connected with the Eye, met with in the same Snakes.‎

‎(London, W. Bulmer and Co., 1804). 4to. No wrappers as extracted from ""Philosophical Transactions"" 1804 - Part I. Pp. 70-76 a. 1 fine engraved plate (snake heads and glands).‎


‎Together with CHARLES HATCHETT ""Analysis of a triple Sulphuret, of Lead, Antimony, and Copper from Cornwall"", pp. 63-69.‎

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‎Rustica éditions‎

Reference : 500120230

(2020)

ISBN : 9782815316026

‎Mes bons plans écolos‎

‎RUSTICA 2020 64 pages 12 6x18 4x0 8cm. 2020. Broché. 64 pages.‎


‎Très bon état‎

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‎Rustica éditions‎

Reference : 500120284

(2020)

ISBN : 9782815316026

‎Mes bons plans écolos‎

‎RUSTICA 2020 64 pages 12 6x18 4x0 8cm. 2020. Broché. 64 pages.‎


‎Très bon état‎

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‎Rutger Kramer, Graeme Ward, Emilie Kurdziel (eds)‎

Reference : 64783

‎Monastic Communities and Canonical Clergy in the Carolingian World (780-840). Categorizing the Church‎

‎, Brepols, 2022 Hardback, 454 pages, Size:156 x 234 mm, Illustrations:4 b/w, Language: English. ISBN 9782503579351.‎


‎Summary In the years 816-819, a series of councils was held at the imperial palace in Aachen. The goal of the meetings was to settle a number of questions about ecclesiastical organization. These issues were hotly debated throughout the Christian Roman Empire of the fourth and fifth centuries, and then reinvigorated by the renewal of empire under Charlemagne and his son Louis the Pious. At the centre of the ensuing debate stood the distinction between monks and monastic communities on the one hand, and the so-called clerici canonici and their communities on the other. Many other reforms were proposed in its wake: the position of the episcopacy needed to be renegotiated, the role of the imperial court needed to be consolidated, and the place of every Christian within the renewed Carolingian Church needed to be redefined. What started out as a seemingly straightforward reorganisation of the religious communities that dotted the Frankish ecclesiastical landscape thus quickly turned into a broad movement that necessitated an almost complete categorization of the orders of the Church. The contributions to this volume each zoom in on various aspects of these negotiations: their prehistory, their implementation, and their influence. In doing so, previously held assumptions about the scope, the goals, and the impact of the 'Carolingian Church Reforms' will also be re-assessed. TABLE OF CONTENTS Institutions, Identities, and the Realisation of Reform: An Introduction ? RUTGER KRAMER, EMILIE KURDZIEL, and GRAEME WARD The Monastic Reforms of 816-19: Ideals and Reality ? CHARLES M RIAUX Origins The Organization of the Clergy and the canonici in the Sixth Century ? SEBASTIAN SCHOLZ Choreography and Confession: the Memoriale qualiter and Carolingian Monasticism ? ALBRECHT DIEM Confusion and the Need to Choose? A Fresh Look at the Objectives Behind the Carolingian Reform Efforts in Capitularies and Conciliar Legislation (c. 750-813) ? BRIGITTE MEIJNS Old Norms, New Boundaries What is a canonicus? The Carolingians and the Rethinking of Ecclesiastical ordines ? EMILIE KURDZIEL Reduce, Reuse, Recycle: Episcopal Self-Reflection and the Use of Church Fathers in the Institutio canonicorum ? RUTGER KRAMER AND VERONIKA WIESER Loose Canonesses? (Non-)Gendered Aspects of the Aachen Institutiones ? MICHAEL EBER Reception and Reflection 'Superior to Canons, and remaining inferior to Monks': Monks, Canons and Alcuin's Third Order ? STEPHEN LING This is a Cleric: Hrabanus Maurus's De institutione clericorum, Clerical Monks, and the Carolingian Church ? CINZIA GRIFONI The 'Apostates' of Saint-Denis: Reforms, Dissent and Carolingian Monasticism ? INGRID REMBOLD Debating the "una regula": Reflections on Monastic Life in Ninth-Century Manuscripts from St?Gall ? JOHANNA JEBE Reform in Practice Monks Pray, Priest Teach, Canons Sing and the Laity Listens: The Regula Benedicti and Conceptual Diversity of Sacred Space in Carolingian Discourse ? MIRIAM CZOCK Cathedral and Monastic: Applying Baumstark's Categories to the Carolingian Divine Office ? RENIE CHOY Implementing Liturgical Change in Ninth-Century Lyon: Authority, Antiphoners, and Aachen 816 ? GRAEME WARD Ordering the Church in the Ordines Romani ? ARTHUR WESTWELL *** Index‎

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‎Rutger Kramer, Helmut Reimitz, Graeme Ward (eds)‎

Reference : 65463

‎Historiography and Identity III: Carolingian Approaches‎

‎, Brepols, 2021 Hardback, viii + 396 pages, Size:156 x 234 mm, Illustrations:2 b/w, 2 tables b/w., Language: English. ISBN 9782503586557.‎


‎Summary Note: the full text of this volume is now available in Open Access at: https://www.brepolsonline.net/action/showBook?doi=10.1484/M.CELAMA-EB.5.118545 This volume explores the extent to which the reinstitution of the Empire in Western Europe brought about new ways of reconciling the multitude of post-Roman identities with the way the past was shaped in historiographical narratives. From universal histories to local chronicles, and from narratives that support Carolingian rule to histories with a more local focus, the centralization of power and authority in the course of the eighth and ninth centuries forced those who engaged with their own past and that of their community to acknowledge the new situation, and situate themselves in it. The contributions in this volume each depart from a single source, event, or community, and relate their findings to the broader issue of whether the rise of the multi-ethnic Carolingian court allowed for more inclusive narratives to be created, or if their self-proclaimed place at the centre of the Frankish world actually created a context in which local communities were given new tools to assert themselves. TABLE OF CONTENTS Histories of Carolingian Historiography: An Introduction - HELMUT REIMITZ Carolingian Uses of History From the Order of the Franks to the World of Ambrose: the Vita Adalhardi and the Epitaphium Arsenii Compared - MAYKE DE JONG Remembering the Ostrogoths in the Carolingian Empire - MATTHIAS M. TISCHLER A Carolingian Epitome of Orosius from Tours: Leiden VLQ 20 - ROSAMOND MCKITTERICK & ROBERT EVANS Approaches to History: Walahfrid's Parallel Universe - RICHARD CORRADINI Carolingian Histories Enhancing Bede: The Chronicon Universale to 741 - S REN KASCHKE A Crowning Achievement: Carolingian Imperial Identity in the Chronicon Moissiacense - RUTGER KRAMER Much Ado about Vienne? A Localizing Universal Chronicon - SUKANYA RAISHARMA The Sense of an Ending in the Histories of Frechulf of Lisieux - GRAEME WARD Uses of Carolingian History Historiography of Disillusion: Erchempert and the History of Ninth-Century Southern Italy - WALTER POHL 'A Man of Notable Good Looks Disfigured by a Cruel Wound': The Forest Misadventure of Charles the Young of Aquitaine (864) in History and Legend - ERIC GOLDBERG Index‎

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‎"RUTHERFORD, E. (ERNEST) and T. ROYDS. - THE FINAL PROOF OF THE NATURE OF ALPHA-PARTICLES.‎

Reference : 46953

(1909)

‎The Nature of the alpha Particle.‎

‎Manchester, 1909. 8vo. Contemp. full cloth. Orig. printed paper label on spine (a bit chipped). In: ""Memoirs and Proceedings of the Manchester Literary & Phlosophical Society. (Manchester Memoirs.). Volume LIII. (1908-09). Entire volume offered. The volume contains 24 papers, all with seperate pagination. Rutherford's paper: pp. 1-3.‎


‎First printing of the paper which Rutherford and Royds gave the final proof that the alpha particle are atoms of helium. The present paper was read on November 3rd 1908 and published on the 19th. It was reprinted in Philosophical Magazine and that paper is dated November 13, 1908 and published February 1909.""After nearly a decade of labor, Rutherford was finally prepared to state... what the alpha particle really was ""We may conclude that an alpha-particle is a helium atom, or, to be more precise, the alpha-particle, after it has lost its positive charge, is a helium atom"". In a paper together with Royds, completed in November 1908, he was even more emphatic: ""We can conclude with certainty... that the alpha-particle is a helium atom... They had shown that a discharge sent through a volume in which alpha-particles from radium had been collected produced the characteristic helium spectrum !""(Pais ""Inward Bound"", p. 61).""Rutherford’s early conviction that the alpha particle was a doubly charged helium atom, but he had not succeeded in proving that belief. In 1908 he and Geiger were able to fire alpha particles into an evacuated tube containing a central, charged wire and to record single events. Ionization by collision, a process studied by Rutherford’s former colleague at Cambridge, J. S. E. Townsend, caused a magnification of the single particle’s charge sufficient to give the electrometer a measurable ""kick."" By this means they were able to count, for the first time accurately and directly, the number of alpha particles emitted per second from a gram of radium.This experiment enabled Rutherford and Geiger to confirm that every alpha particle causes a faint but discrete flash when it strikes a luminescent zinc sulfide screen, and thus led directly to the widespread method of scintillation counting. It was also the origin of the electrical and electronic methods of particle counting in which Geiger later pioneered. But at this time the scintillation technique, now proved reliable, was more convenient. This counting work also led Rutherford and Geiger to the most accurate value of the fundamental electric charge e before Millikan performed his oil-drop experiment. They measured the total charge from a radium source and divided it by the number of alphas counted to obtain the charge per particle. Since this figure was about twice the previous values of e. they concluded that the alpha was indeed helium with a double charge. But Rutherford still desired decisive, direct proof"" and here his skilled glassblower came to his aid. Otto Baumbach in 1908 was able to construct glass tubes thin enough to be transparent to the rapidly moving alpha particles yet capable of containing a gas. Such a tube was filled with emanation and was placed within a larger tube made of thicker glass. In time, alpha particles from the decaying emanation penetrated into and were trapped in the space between inner and outer tubes: and when ROYDS SPARKED THE MATERIAL IN THIS SPACE, THEY SAW THE SPECTRUM OF HELIUM."" (DSB).The volume contains 2 other importent papers by Rutherford 1. ""Some Properties of the Radium Emanations"" (issued Nov. 19th, 1908) and 2. together withY. Tuomikoski ""Differences in the Decay of the Radium Emanations"" (issued April 7th, 1909).‎

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‎"RUTHERFORD, E. (ERNEST). - PREDICTIING A NEW CONSTITUENT OF THE NUCLEUS, THE NEUTRON.‎

Reference : 47243

(1920)

‎Nuclear Constitution of Atoms. (Bakerian Lecture).‎

‎London, The Royal Society, 1920. Royal8vo. Contemp. full cloth. Gilt lettering to spine. A small faint stamp on verso of titlepage and a few other leaves (in lower margins).In: ""Proceeding of the Royal Society of London"", Series A, Vol. 97. XVIII,470,XXI pp., textillustr. a. 2 plates. Rutherford's paper: pp. 374-400. Clean and fine.‎


‎First apperance of this famous lecture in which Rutherford predicted the existence of a new constituent of the atomic nucleus and its likely properties. In the lecture Rutherford suggested that ""it may be possible for an electron to combine much more closely with the H-nucleus (than is the case in the ordinary hydrogen atom)... It is the ontentionof the writer to test (this idea)... The existence of such atoms seems almost necessary to explain the building up of heavy elements.""Rutherford's collegue Chadwick made several attempts to detect the neutral particle but none was successful until he learned of experiments by the Joliot-Curies in Paris, in which, they said, extremely penetrating gamma rays were emitted. As he suspected, Chadwick found the rays were not gammas but neutrons: and not long afterward Norman Feather, also at the Cavendish, showed that neutrons were capable of causing nuclear disintegrations. Chadwick gave proof of its existence in 1932.‎

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‎"RUTHERFORD, E. (ERNEST). - THE ALCHEMIST'S DREAM FULFILLED, THE CHANGE OF ONE ELEMENT INTO ANOTHER.‎

Reference : 46915

(1919)

‎Collision of alpha Particles with Light Atoms. (4 Parts). I. Hydrogen. II. Velocity of the Hydrogen Atom. III. Nitrogen and Oxygen Atoms. IV. An Anomalous Effect in Nitrogen. - [SPLITTING THE ATOM PMM 411.]‎

‎London, Taylor and Francis, 1919. Recent full cloth. Titlelabel in leather on spine with gilt lettering. In: ""The London, Edinburgh, and Dublin Philosophical Magazine and Journal of Science"" Sixth Series, Vol. XXXVII. Pp. VIII,616 pp. a. 6 plates. A stamp to top of p. 537. Rutherford's paper: pp. 537-587.‎


‎First appearance of this seminal paper which contains Rutherford's discovery of artificial transmutation. He here discovered, that the atomic nucleus (discovered by him in 1911) itself had a structure, when, by bombarding nitrogen with alpha particles, he produced THE FIRST ARTIFICIAL TRANSFORMATION OF AN ELEMENT INTO ANOTHER, and what was left after the bombardment had to be those of oxygen atoms. - Thus thus began the age of nuclear physics.""Rutherford was .. the first man ever to change one element into another as a result of the manipulations of his own hands. He had achieved the dream of the alchemists. He had also demonstrated the first man-made ""nuclear reaction"". By 1924 Rutherford had managed to knock protons out of the nuclei of most of the lighter elements."" (Asimov).""A few years before, Marsden had noticed scintillations on a screen placed far beyond the range of alpha particles when these particles were allowed to bombard hydrogen. Rutherford repeated the experiment and showed that the scintillations were caused by hydrogen nuclei or protons. This was easily understood, but when he substituted nitrogen for the hydrogen, he saw the same proton flashes. The explanation he gave in 1919 stands beside the transformation theory of radioactivity and the nuclear atom as one of Rutherford’s most important discoveries. This, he said, was a case of artificial disintegration of an element. Unstable, or radioactive, atoms disintegrated spontaneously"" but here a stable nucleus was disrupted by the alpha particle, and a proton was one of the pieces broken off."" (DSB).PMM: 411.‎

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‎"RUTHERFORD, E. (ERNEST). - THE NUCLEAR ATOM - PMM 411.‎

Reference : 47937

(1907)

‎Die Radioaktivität. Unter Mitwirkung des Verfassers ergänzte autorisierte deutsche Ausgabe von E. Aschkinass.‎

‎Berlin, Julius Springer, 1907. Royal8vo. Uncut in orig. printed wrappers. A small nick to lower left part of frontwrapper. Stamps to titlepage. (10),597 pp., textillustrations. Internally clean. From the library of the Danish logician and philosopher Jørgen Jørgensen, with his name on top of frontwrapper.‎


‎First German edition of this importent work which is recognized as a classic, being the first textbook on Radio-Activity. To this German edition, translated from the second English of 1905, Rutherford himself has added further descriptions of the results obtained in the years in between.Rutherford made ""Proposal of a new theory of atomic disintegration and of the nuclear nature of the atom. Rutherford discovered and named the alpha, beta, and gamma rays.""( Horblitt, ""One Hundred Books famous in Science"" No 91 (Engl. ed.).""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 (Engl. ed.).‎

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‎"RUTHERFORD, E. (ERNEST). - THE SATURNIAN MODEL OF THE ATOM.‎

Reference : 45087

(1904)

‎Zur Kenntnis der Atomenergie, eine Beziehung zwischen kinetischer Theorie und Radioaktivität.‎

‎(Leipzig, S. Hirzel), 1904. Without wrappers. In: ""Jahrbuch der Radioaktivität und Elektronik"", 1. Bd., heft 2. Pp. 103-214 (entire issue offered). Rutherford's paper: pp. 103-127‎


‎First appearance of the paper in which Rutherford set forth his early - before 1911-model - model of the atom, the so-calles Saturnian Model. Rutherford pictured here the radioactive atom as a giant whirligig of electrons and alpha-particles, whose stability is somewhat disturbed, perhaps as a result uncompensated radiation losses, precipitating the expulsion of some of its constituents with the tremendous speeds they possessed befiore the explosion.‎

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‎"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).‎

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‎"RUTHERFORD, ERNEST - PREDICTION OF THE NEUTRON.‎

Reference : 30108

(1921)

‎Über die Kernstruktur der Atome. Baker-Vorlesung. (Erschienen in den Proceedings of the Royal Society, A., 97). Autorisierte Übersetzung von Else Norst.‎

‎Leipzig, S. Hirzel, 1921. Cont. hcalf. Titlelabel gilt on back. Small stamp on title. (4),35 pp.‎


‎First German edition and the first edition in book-form, as this Bakerian lecture was published in the Proceedings 1920. In this work Rutherford not only considered the neutron as a possibility, but he furthermore predicted its likely properties (""the idea of the possible existence of an atom of mass one, which has a zero nuclear charge"").‎

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‎"RUTHERFORD, ERNEST. - THE NATURE OF X-RAYS FINALLY SETTLED.‎

Reference : 41565

(1914)

‎The Wave-lenght of the soft gamma Rays from Radium B (In collaboration with E.N. da C. Andrade).‎

‎London, 1914. Without wrappers, but stitched. In ""Philosophical Magazine and Journalof Science"", Vol. 27, No. 161. May 1914. Pp. 757-916 a. 6 plates.(= the whole issue No 161). Rutherford's paper: pp. 854-860 a. 1 plate.‎


‎First edition, finally establishing the nature of Röntgen's X-Rays.In 1900 ""Villardhad discovered gamma gamma-rays. He noted at once that these rays are not deflected by magnetic fields. Two years later Rutherford suggested that gamma-rays might be very hard form of beta-rays. This view became less and less tenable...(and) slowly the evidence grew that gamma-rays and X-rays were akin, but a lately as 1912 Rutherford still wrote with a touch of caution: ""There is at present nodefinite evidence to belive that X-rays and gamma-rays are funamentally different kindsof radiation"". he matter was finally settled fourteent years after the first observatiob of gamma-radioactivity, when Rutherford and Andrade observed reflexion of gamma-rays from crystal force (in the paper offered here)."" (Pais. Inward Bound p. 62.).The issue contains further importent papers in first editions. W.H. BRAGG. The Intensity of Reflexion of X Rays by Crystals. Pp. 881-99. This is an account of his famous work on X-ray spectroscopy.E. MARSDEN: The Passage of alpha Particles through Hydrogen. Pp. 824-830. Here he discovered that when alpha-particles were projected into hydrogen, so that the heavy projectiles struck lighter atoms, a few of the hydrogen atoms were driven forward far beyond the range of the alpha particles.J.J.THOMSON: The Forces between Atoms and Chemical Affinity. Pp. 757-789.‎

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‎"RUTHERFORD, ERNEST. - THE NUCLEAR NATURE OF THE ATOM.‎

Reference : 38588

(1904)

‎Radio-Activity.‎

‎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.‎


‎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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‎"RUTHERFORD, ERNST. - THE MAGNETIC DETECTOR INVENTED - WIRELESS TELEGRAPHY MADE POSSIBLE.‎

Reference : 42381

(1897)

‎The Magnetic Detector of Electrical Waves and some of its Applications. Communicated by J.J. Thomson. Received June 11, - Read June 18, 1896.‎

‎(London, Harrison and Sons, 1897). 4to. No wrappers as extracted from ""Philosophical Transactions"" Year 1897, Vol. 189 - A. Pp. 1-24., texfigs.‎


‎First appearance of this importent paper, the first paper by Rutherford published in England, in which he describes his invention of the ""Magnetic detector"" before Marconi made use of it in his wireless telegraphy across the Atlantic in 1901.On his arrival at Cambridge (in 1895) his talents were quickly recognized by Professor Thomson. During his first spell at the Cavendish Laboratory, he invented the detector for electromagnetic waves, an essential feature being an ingenious magnetizing coil containing tiny bundles of magnetized iron wire. The detector made it possible to send wireless signals.‎

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‎Rutz, Werner:‎

Reference : 4348CB

(1969)

‎Die Alpenquerungen. Ihre Verkehrseignung, Verkehrsbedeutung und Ausnutzung durch Verkehrswege.‎

‎Nürnberg, Friedrich-Alexander Universität, 1969. Gr.-8°. 199(1) S. Mit 2 gef. Tafeln, 2 gef. Profilen und 17 gef. Karten. Orig.-Pappband (Ecken leicht bestossen). ="Nürnberger Wirtschafts- und Sozialgeographische Arbeiten.", Band 10.‎


‎Fliegender Vorsatz gestempelt.‎

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