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CANTOR, GEORG.
Herman H. J. Lynge & Søn A/S
lyn47161
Leipzig, B.G. Teubner, 1879. 8vo. Bound in a nice contemporary half calf with five raised gilt bands. Red leather title label with gilt lettering to spine. All edged gilt. In "Mathematische Annalen", Band 15, 1879. Entire volume offered. Corners with wear, otherwise a very fine and clean copy. Pp. 1-7. [Entire volume: IV, 576 pp.]. First printing of Cantor's seminal exceedingly important first paper in his landmark series of six papers which together constitute the foundation Theory of Sets (Mengenlehre) and Transfinite Set Theory. Cantor here introduces his new Set Theory with which he created an entirely new field of mathematical research and is widely regarded as being one of the most important mathematical conquests in the 19th century. Hilbert spread Cantor's ideas in Germany and praised Cantor's transfinite arithmetic as "the most astonishing product of mathematical thought, one of the most beautiful realizations of human activity in the domain of the purely intelligible". He is famously quoted for saying "No one shall expel us from the paradise which Cantor created for us". Bertrand Russel described Cantor's work as "probably the greatest of which the age can boast"."The major achievement of the "Grundlagen" was its presentation of the transfinite ordinal numbers as a direct extension of the real numbers. Cantor admitted that his new ideas might seem strange, even controversial, but he had reached a point in his study of the continuum where the new numbers were indispensable for further progress. Cantor had finally come to the realization that his 'infinite symbols' were not just indices for derived sets of the second species, but could be regarded as actual transfinite numbers that were just as real mathematically as the finite natural numbers." (Grattan-Guinness, Landmark Writings in Western Mathematics, Pp. 604-5).Dauben: (Cantor)1879b.
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A Brief Explication of the First Fifty Psalms.
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DICKSON, DAVID.
Herman H. J. Lynge & Søn A/S
lyn60583
London, Thomas Johnson, 1655. 8vo. In contemporary full calf with four raised bands. Small paper label pasted on to top of spine (indicating the inventory number in a estate library). Occasional leaves with heavy brownpostting. Upper and lower margin closely trimmed,occassionally with slight loss of text. (10), 331, (9), 399, (17), 381, (1) pp. Rare second edition of Dickson's commentaries of the psalms. Originally published in 1654 both editions are of the utmost scarcity.
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LAPLACE, P.S. (PIERRE-SIMON).
Herman H. J. Lynge & Søn A/S
lyn53593
Berlin, La Garde, 1800-02. 4to. 2 contemp. hcalf. Title-and tome labels. A paperlabel pasted on lower part of spine. Stamp on foot of title-page. (2),VIII,482;(2),458 pp. + (4) pp. of Publisher's announcement. Light browning to the first few leaves, otherwise fine and clean. First German edition of the general section of the famous "Traité de Méchanique Céleste" comprising the translation of its 2 first volumes, being all translated into German.PMM, 252 (the French ed.).
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(WORLIDGE, JOHN). J.W. GENT.
Herman H. J. Lynge & Søn A/S
lyn23803
London, T. Johnson, 1669. Folio. Cont. full calf. Somewhat worn and blistered, corners bumped. Engraved frontispiece with explanatory-leaf. (28),278,(6) pp. Some soiling and dampstaining. A few wood-cut-illustr. in the text. Scarce first edition (second issue).
Der verführische Atheisten Hauffe Und das…
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LEUCKFELD, JOHANN GEORG.
Herman H. J. Lynge & Søn A/S
lyn61419
Franckfurth, Wahrhafft, 1699. 8vo. In a nice contemporary Cambridge-style mirror binding with four raised bands and richly gilt spine. Light wear to extremities, corners bumped. Small paper-label pasted on to top of spine. A nice and clean copy. (28), 698 pp. + double frontispiece/engraved half-title. The rare first edition of Leuckfeld’s first publication being a polemical and moralistic treatise that criticizes atheism and irreligion and warns of the dangers associated with certain lifestyles and institutions. Johann Georg Leuckfeld (1668 – 1726) was a theologian, historian, bibliographer, and numismatist. Despite a late start in education he quickly mastered Latin and studied theology at the University of Leipzig, supporting himself through proofreading. In 1700, he became the secretary to the abbess of Gandersheim organizing the abbey's archives which sparked his interest in history. Later he became the primary pastor in Gröningen dividing his time between his pastoral duties and historical research. He was also a member of the Royal Society in Berlin. Leuckfeld leaft behind several unpublished manuscripts. We have not been able to trace a single copy in the trade.
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HOLBERG, LUDVIG.
Herman H. J. Lynge & Søn A/S
lyn3818
Trykt i dette Aar (=kbhvn.1728). Lidt senere helldrbd.i gl.stil. Rygforgyldn. og stregbordure på permer samt blindtykte rammer. Ene fals lidt svag. Kobberst.portr. (Dorothea) samt alle 14 træskårne plancher. Nogle blade tæt beskåret foroven. Ehr.-M.XI:22 ff. Det såkaldte 2. eftertryk. Med varianttitelbladet til 4.Bog.
La Science des Personnes de Cour, D'epée et de…
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de CHEVIGNY.
Herman H. J. Lynge & Søn A/S
lyn54630
Amsterdam, Zacharie Chatelain, 1739. Bound in 4 fine contemp. full calf. Richly gilt spines, tome-and titlelabels with gilt lettering. Marbled edges. Large gilt coat of arms on all covers (Løvenskiold to the estate Løvenborg, Denmark). Engraved frontispiece. Title-page in red a. black. (54),427;(8),479;(4),408;(4),410 pp. 66 large folded engraved plates (28 maps, 20 tables, 12 genealogical tables, 3 fortification, 3 maritime). Clean and fine.
BELIDOR, (B.F. de).
Herman H. J. Lynge & Søn A/S
lyn57646
Paris, Firmin Didot, 1813. 4to. Contemp. hcalf. Gilt spine. Gilt lettering. Wear to top of spine. A paperlabel pasted on spine. Stamps on title-page. (4),VIII,596 pp., 54 plates of which 52 are folded and engraved (plate 9-10 on one sheet with letterpress). A clean and fine copy. The first edition was published 1729 and ran through several editions. The present is the first revised by Navier.
HUSSERL, EDMUND.
Herman H. J. Lynge & Søn A/S
lyn37530
Halle, Niemeyer, 1913 (Vol.1 and vol. 2, I) - 1921 (Vol 2, II). Royal 8vo. Bound in three original uniform black half cloth bindings w. gilt titles to spines. Gilding on vol. one worn off. Vol. one w. a repaired tear to spine. Vol. 2, II weak at inner front hinge. Overall traces of wear. Internally a nice and clean set. XXII, 257, (1); XI, (1), 508; XIII, (1), 244 pp. The uncommon second edition (Zweite Auflage) of Husserl's main work, one of the most important philosophical works of the 20th century. The "Logical Investigations" fundamentally changed philosophy and invoked the new philosophical era of the 20th century, -with this work Husserl founds phenomenology. Together with Heidegger's "Sein und Zeit" this must be considered the most important work of modern philosophy. The work was originally published 1900-1901, and the first edition is very difficult to come by. The second edition, which is enlarged and revised, is also not common.Husserl opens this fundamental work by attacking psychologism, and he then introduces his brand new philosophical method, which he had still by then not fully developed, but which came to influence all philosophy ever since -Phenomenology! Husserl himself calls this a "Work of Breakthrough" (see his preface to the second edition).In short, psychologism taught that logic itself was not an independent discipline, but a part of psychology, and it is this notion that Husserl gives its final blow in his logical investigations, -far more definitely than Frege had tried to some years earlier. Husserl now establishes a philosophy that asks the question of the essence of the matter of perception as opposed to the form of perception, as well as the meaning of the difference between formal or pure and material laws, truths and determinations, -all based on his strong interest in the relationship between the formalities of arithmetic and of logic. The work is the starting point for mereology, the formal first order theory of wholes and their parts. Mereology is both an application of predicate logic and a branch of formal ontology.Husserl is now famous as the father of phenomenology, and he decisively influenced the likes of Heidegger, Sartre, Carnap, Merleau-Ponty, Levinas, Ricoeur, Derrida etc. etc.
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CALVISIUS, SETH-HENRICO (SETHUS).
Herman H. J. Lynge & Søn A/S
lyn56454
Magdeburg, Seidels Wittwe und Scheidbauer, 1727. 4to. Later (ca. 1850) hcalf. Gilt spine. Titlelabel with gilt lettering. A paperlabel pasted on spine. Stamps on foot of title-page. Engraved frontispiece (Plan Belagerung Magdeburg). (38),344 pp., 1 folded engraved plate. Various browning to quires. Scarce first edition.
ANSCHÜTZ, HEINRICH.
Herman H. J. Lynge & Søn A/S
lyn39584
Dresden, Arnoldischen Buchhandlung, 1811. Bound in a fine contemp. hcalf, gilt spine and titlelabel with gilt letterind. A small paperlabel pasted on lower part of spine. Stamps on foot of titlepage. Engraved frontispiece-view (Suhl von der Nord Seite), engraved titlepage. VI,137 pp. and 1 folded engraved plate. The first leaves slightly brownspotted and some yellowing to leaves, but a good copy. From the library of the Danisk king Frederik VII, having his stamped weapon on inside frontcover. First edition of this very scarce work on the history of one of the world's oldest firms manufactoring rifles and guns. The author describes both the manufactoring of rifles for military use (militärgewehre nach Kaiserlich Französischen oder Köbigl. Sachsischen Modell) and rifles and guns used for hunting (Von Verferrtigung der seinen Jagd=und Luxusgewehre).
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BABBAGE, CHARLES.
Herman H. J. Lynge & Søn A/S
lyn44733
Paris, Mallet-Bachelier, 1855. 4to. Extract, bound in new full blue cloth with gilt lettering to spine. A bit of brownspotting, otherwise a fine. [Babbage:] Pp. 557-560. [Entire issue: (3), 538-63 pp.]. Scarce first publication of Babbage's early report on the difference engine, which had been built by the Swedish printer Georg Scheutz and his son Edvard, based upon Babbage's own designs. "In 1854 Babbage's ideas came to the attention of George and Edvard Scheutz, a father and son from Sweden. After reading a description of the Difference Engine (by Babbage), they designed and built their own version. This machine was smaller and lighter than the engine conceived by Babbage. They used gears and levers that would have been suitable for the mechanism of a clock. In contrast, Babbage used technology that would have been appropriate for a steam engine. Babbage's engine, if completed, would have filled a room. The Scheutz engine sat nicely on a table and looked like a complicated music box. Babbage was pleased with Scheutz's engine and praised it publicly [In the present paper]. (DSB)."Georg Scheutz's interest in calculating machines had begun twenty-five years earlier, when he first heard about Babbage's Difference Engine no. 1. In 1834, after reading Dionysius Lardner's technical article about the Difference Engine, Scheutz and his son began building their own engine, completing a crude prototype model in 1843 (Scheutz Engine no. 1) and an improved and more highly finished example in the 1850s (Schultz Engine no. 2.). As part of his effort to promote the Scheutz Engine, Babbage gave a talk on it before the Académie des Sciences, illustrated with drawings by his son Henry, in which Babbage's system of mechanical notation was used to describe the machine's construction and functions. This talk was published without illustrations in the Académie's Comptes rendus [the present paper]. (OOC).See Hook & Norman. Origins of Cyberspace 73.
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DEIDIER, (DANIEL).
Herman H. J. Lynge & Søn A/S
lyn56279
Paris, Jombert, 1742. 4to. Cont. hcalf, raised bands, gilt spine. Titlelabel with gilt lettering. Engraved frontispiece. XIV,(2),336,(4) pp. and 50 large folded engraved plates, 4 large engraved vignettes. Stamp onfrontispiece and title-page. Printed on good paper, clean and fine. This third edition of the wellknown French mathematician, having 2 fine textengravings depicting the siege of Namur and Lille. - Klaus Jordan No 846.
HITTORF, W. (JOHANN WILHELM). - CATHODE RAYS - EARLY TELEVISION.
Herman H. J. Lynge & Søn A/S
lyn45078
Leipzig, Johann Ambrosius Barth, 1869, 1874, 1879. Contemp. hcalf, raised bands, gilt spine with gilt lettering. A few scratches to binding. In "Annalen der Physik und Chemie. Hrsg.von Poggendorff", Bd. 136. X,644 pp. and 8 folded engraved plates. (The entire volume offered). Hittorf's paper: pp. 1-31 a. 197-234. With 2 engraved plates showing apparatus. + (2. Mitth.) Jubelband (Poggendorff) pp. 430-445. (Extracted) + (3. Mitth.) Annalen, Neue Folge Bd. VII, No 8. Pp. 497-680 a. 1 plate (entire issue offered). Hittorf's paper: pp. 558-631. First appearance of these main paper in the development of Television, and an importent step towards the discovery of Röntgen-Rays, as Hittorf describes his discovery how the cathode glow spread toward the anode, how solid objects near the cathode would cast shadows in the phosphorescent glow in the glass, and that this glow was produced by raylike emanations that traveled in straight lines from the cathode rays."Following Plückers studies, in 1869 Hittorf began a series of investigations of the discharge phenomena. He verified the effect of the magnetic field on the glow discharge and the fluorescence of the glass tube itself. He found that any solid or fluid body, whether an insulator or a conductor, when placed in front of the cathode cut off the glow. By constructing an L-shaped tube with electrodes at the two ends, Hittorf was able to establish that the glow was generated from a point cathode and traveled in straight lines. "We will therefore speak of rectilinear path or rays of glow, and consider any point of the cathode as the source of a cone of rays" ....These results led the brilliant researches on gaseous conduction by Crookes ten years later (1879) and the eventual identification of the cathode rays as electrons by J.J. Thomson (1897)."(DSB, VI, p.439).(Shiers & Shiers "Early Televison. A Bibliography to 1940", No.45). - Magie "A Source Book in Physics", p. 561 ff.
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LAGRANGE, (JOSEPH LOUIS). - THE INVENTION OF THE "VARIATION OF PARAMETERS" THE PRIZE WINNING MEMOIR OF 1782.
Herman H. J. Lynge & Søn A/S
lyn44925
(Paris, Moutard, 1785). 4to. Extracted from "Mémoires fe Mathematique et de Physique, Présentés à l'Academie des Sciences par divers Savans", Tome X. Pp. 65-160. Wide-margined, clean and fine. First appearance of this groundbreaking paper in which Lagrange presented his invention of the new method of solving differential equations as VARIATION OF PARAMETERS, and in which the method was completely developed for the first time. He applies the method to the determination of the orbit of a comet from three observations; this formed the basis of subsequent recherches on the subject." In the summer of 1779 Lagrange submitted "Recherches sur la théorie des perturbations que les cométes peuvent éprouver par l’action des planétes", which won the double prize of 4,000 livres. This was the last time that he participated in the competitions of the Paris Academy."(DSB)."Lagrange, whose contributions to celestial mechanics were of the most brilliant characther, wrote his first memoir in 1766 on the perturbations of Jupiter and Saturn. In this work he developed still further the method of the variation of parameters, leaving his final equations still incorrect....their true form being that of the long period terms, as was shown by Laplace in 1784...The method of variatiobn of parameters was completely developed for the first time in 1782 by Lagrange in his prize memoir on the perturbations...(the paper offered)."
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NICHOLSON, WILLIAM.
Herman H. J. Lynge & Søn A/S
lyn53133
(London), Richard Phillip, 1808. Contemp. full calf. Gilt spine, raised bands. Titlelabel with gilt lettering. Some wear to edges. Frontcover detached. Spine loosening and a tear across middle of spine. Wear to spine ends. Leaves unpaginated. In all around 800 pp. 12 engraved plates. 6 large folded tables (Tables of Nomeclatures, Tables of Chemical Compounds, Table of Correspondence of Thermometers). Text in general clean, a few leaves with toning, plates intact but with some browning and foxing. 2 Tables with some dampstaining. Plate V as frontispiece. Scarce first edition. Nicholson considered it an entirely new work. In the Advertisement is stated "This work, though formed on the basis of the Dictionary in two volumes quarto, published several years since, by the same Author, is in effect AN ENTIRELY NEW WORK; the articles being either considerably enlarged, or entirely rewritten, and in every instance being adopted to the present improved state of Chemical Science." The Appendix contains Humphrey Davy's Bakerian Lecture on the decomposition of the fixed alkalies by electricity.Nicholson in collaboration with Anthony Carlisle constructed a voltaic pile and by this equipment they discovered the evolution of gases by the passage of the electric current through water (the decomposition of water). They were the first to use electricity to produce chemical actions.Not in Duveen - Not in Roy G. Neville (only the second ed.) - Partington IV, p.20.
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SS. PP. Gregorii Neocaesariensis Episc.…
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GREGORIUS THAUMATURGUS.
Herman H. J. Lynge & Søn A/S
lyn38968
Paris, (no printer), 1621. Folio. Contemp. full calf. Binding worn but hinges still holding. (16),126,(8) - 8,(18),242 - (14),390,(18) - 114 pp. About 50 of the first and 15 of the last leaves dampstaines in lower right corners. Otherwise internally clean, printed on good paper. Brunet II: 1729-30.
GRÖBEN, G.D. VON DER (HRSG.).
Herman H. J. Lynge & Søn A/S
lyn27663
Breslau, W.G. Korn, 1755-71 (1. versuch in 2. Aufl. 1770). 4to. Vol. 1-6 bound in 4 cont. hcalf (2 types of binding) and vol. 7-10 in 2 later hcloth. all backs gilt. With 4 fold. tables (1 in xerox-copy) and 22 folded engraved plans and maps (2 in xerox-copy). Gröben large collection with translations of the most importent works by different authors on military tactics.
PLÜCKER, (JULIUS). - THE DISCOVERY OF CATHODE RAYS.
Herman H. J. Lynge & Søn A/S
lyn43325
Leipzig, Johann Ambrosius Barth, 1859. Without wrappers as issued in "Annalen der Physik und Chemie. Hrsg.von Poggendorff", Bd. 107, Viertes Stück.(= Heft No. 8 of 1859). (The entire issue offered (Heft 4 of vol. 107 with titlepage to vol. 107). Pp. 497-660. - Plücker's papers: pp. 497-539 a. 638-643. Clean and fine. First printing of this milestone paper describing Plückers first observations on Cathode Rays, which he called "the beautiful and mysterious green glow", and produced by discharges in tubes exhausted by means of the Geissler pump. These importent observations lead directly to Röntgens discovery of the Röntgen Rays."Cathode rays were first observed by Julius Plücker in 1859 (the paper offered). They are rays which are found in the neighbourhood of the point of exit of an electrical current passing through a Geissler tube. These rays stimulated intense interest and experiment. William Crookes greatly improved these discharge tubes and intensified the degree of rarification of gases within them. The tubes in this form is known as Crookes tube. Crookes declared his conciction that the cathode rays represented matter in a fourth, hitherto unobserved form....It was reserved for J.J. Thomson (in 1908) to discover the true nature of the cathode rays."(PMM no 386).
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Verzeichniss der Käfer Preussens. Entworfen von…
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ILLIGER, JOHANN KARL WILHELM.
Herman H. J. Lynge & Søn A/S
lyn45348
Halle, Gebauer, 1798. Contemp. marbled boards paperlabel on spine with gilt lettering, a corner of label lacks. XLII,(1),510,(1) pp. and 1 folded table. A brownspot to foot of leaves, decreasing towards end. First edition. An importent work in taxonomic litterature.
Getreuer Wegweiser zur Teutschen Rede-Kunst und…
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TALANDER ( A. BOHSE).
Herman H. J. Lynge & Søn A/S
lyn61316
Leipzig, Weidmann, 1692. 8vo. In contemporary full vellum with title in contemporary hand to spine. Extremities with light wear and soiling. Inner hinge partly split and frontispiece detached. Internally with a few occasional dampstains and brownspots. (14), 1495, (31) pp. + frontispieces. The rare first edition of Bohse’s (written under the pseudonym of Talander) guide to German rhetoric and letter-writing providing principles of composition, clarity and stylistic elements. Bohse was a productive author who was also known for his novels and plays, making notable contributions to German literature beyond his more instructional works. August Bohse (1661 - 1742) was a professor of rhetoric and arguable the most important representative of the first generation of German 'gallant authors'. He was a very productive author and wrote several novel. He often wrote, as here, under the pseudonym of Talander). We have not been able to trace a single copy at auction of this present first edition. A second edition was published in 1693 of which there is one auction-record.
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LOVTIDENDE FOR KONGERIGET DANMARK. AFD. A.
Herman H. J. Lynge & Søn A/S
lyn12879
SCHRÖDINGER, ERWIN. - FIRST TREATMENT OF WAVE MECHANICS IN ENGLISH.
Herman H. J. Lynge & Søn A/S
lyn47172
Minneapolis, Minn., The Physicalreview, 1926. 4to. Contemp. full buckram. Small tear to first hinge at foot. A stamp in upper right corner on titlepage and 2 other pages. In: "The Physical Review. Conducted by the American Physical Society", Vol. 28, Second Series. VI,1343 pp. (Entire volume offered).Schrödinger's paper: pp. 1049-1070. Internally clean and fine. First appearance of the first treatment of Wave Mechanics in English.The paper reviews Schrödinger's own wave-mechanics and De Broglie's "phase waves", and covers all the results Schrödinger had hitherto obtained in his main communications of 1926 (the 3 papers in German). An English translation of Schrödinger's main papers was not published until 1928."The paper gives an account of the author's work on a new form of quantum theory. §1. The Hamiltonian analogy between mechanics and optics. §2. The analogy is to be extended to include real "physical" or "undulatory" mechanics instead of mere geometrical mechanics. §3. The significance of wave-length; macro-mechanical and micro-mechanical problems. §4. The wave-equation and its application to the hydrogen atom. §5. The intrinsic reason for the appearance of discrete characteristic frequencies. §6. Other problems; intensity of emitted light. §7. The wave-equation derived from a Hamiltonian variation-principle; generalization to an arbitrary conservative system. §8. The wave-function physically means and determines a continuous distribution of electricity in space, the fluctuations of which determine the radiation by the laws of ordinary electrodynamics. §9. Non-conservative systems. Theory of dispersion and scattering and of the "transitions" between the "stationary states." §10. The question of relativity and the action of a magnetic field. Incompleteness of that part of the theory." (From the Abstract in front of the paper).
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Voyage de l'Arabie heureuse, par l'Ocean…
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LA ROQUE, JEAN DE.
Herman H. J. Lynge & Søn A/S
lyn60610
Amsterdam, Steenhouwer and Uytwerf, 1716. 8vo. In contemporary full calf with four raised bands and gilt lettering and ornamentation to spine. Small paper-label pasted on to top of spine. Small worm tract to upper inner margin occassionally affecting text, otherwise fine. (14), 343, (10) pp. + frontispiece, folded map and 3 plates. First Amsterdam edition published the same year as the second Paris edition (the first being from 1715) of this travel account compiled from various sources. In 1708-10 and 1711-13 La Roque participated on two expeditions to the Arabian peninsula, and afterwards published his Arabian experiences in the present work. In this treatise he gives a highly descriptive and detailed account of coffee plantations and the coffee trade in Yemen. Jean de la Roque (1661 –1745) was a French traveller and journalist born in Marseille. He was the son of Pierre de la Roque, a merchant who famously introduced coffee to Marseille in 1644, and the brother of Antoine de la Roque (1672-1744), a noted journalist with whom he collaborated with on the magazine Mercure de France. Chadenat 6335 Cox I, 222.
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BOHR, N. (NIELS). - THE ATOMIC MODEL AND THE "STATIONARY STATE"
Herman H. J. Lynge & Søn A/S
lyn47170
London, Taylor & Francis, 1915. Contemp. hcalf. Spine gilt, title- and tomelabels with gilt lettering. Spine a bit rubbed, some cracking to hinges, but covers not detached. In: "The London, Edinburgh, and Dublin Philosophical Magazine and Journal of Science", Vol. XXX, Sixth Series. VIII,824 pp., textillustr. and 18 plates. (Entire volume offered). Bohr's papers: pp. 394-413 and pp. 581-612. A stamp to verso of titlepage. Internally clean and fine. First appearance of a landmark paper in which Bohr found experimental support for his energy equation for electron orbits and of stationary states in the work of Franck and Hertz from 1914. Furthermore, Franck and Hertz unwittingly provided an independent confirmation of the concept of stationary state. In 1914 they observed an energy threshold in the electron-stopping power of mercury vapor. This threshold, Bohr explained the following year, corresponded to a transition between the normal state and another (first excited) stationary state of the mercury atom (and not, as Franck and Hertz had originally thought, to the ionization of the atom). The supramechanical stability implied by the assumption of stationary states was now empirically proved to comprehend stability with regard to electron impacts."Bohr had to frequently revise and refine his atomic model in light of new discoveries. One significant paper "On the Quantum Theory of Radiation and the Structure of the Atom," (the paper offered) added more specific details about atomic states. For example Bohr had earlier made the argument that electrons could jump from one orbit to another as energy was emitted or absorbed. In this paper, he theorezed that an atom possesses stationary states in which energy was neither emitted nor absorbed. Any emission or absorption that did occur, such as might induce an electron ump, would correspond to the transition between two stationary states."(sparknotes.com).An: the second paper offered. When Bohr had finished his importent paper on the hydrogen atom "On the Theory of Decrease of Velocity of Moving Electrified Particles on passing through Matter" 1913, he completed another paper on that subject (the paper offered), which includes the influence of effects due to relativity and to straggling (that is, the fluctuations in energy and in range of individual particles).(Pais p. 128).Rosenfeld no 13 a. 14.The volume contains further importent papers by J.J. THOMSON, W.H. BRAGG, RUTHERFORD & BARNES, SODDY & HITCHINS etc.
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