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New York, Macmillan, 1911. 8vo. In the original full cloth. Library-label (University Club of Chicago) pasted on to pasted down front free end-paper. Wear and soiling to extremities. Text on spine faded and "F1" wirtten in white to spine. Cloth loosend to back of spine and a 2 cm long tear to the middle of spine. Book-block, however, firmly attached. Internally fine and clean. XXII, (2), 505 pp. First printing of Fisher's seminal work in which he introduced his famous equation of exchange, known as the Fisher Equation. "No other mathematical formulation in economics, perhaps no other in history save that of Albert Einstein, has enjoyed a greater vogue, and this continues without diminution to our own time." (Galbraith. A History of Economics, Pp. 152-3).The Fisher Equation states MV=PT. (M=stock of money, V= the velocity of circulation of money, P=price level, T=amount of transactions carried out using money)In theory this means that by varying the supply of money, while the velocity and the volume of trade remained the same could raise or lower the level of prices. Upward movements could be arrested by reducing the money supply."This was a mojor, even awe-inspiring, step in the history of economics. [...] Later, in the early years of the Great Depression, Fischer and his disciples would be at the center of policy; they would urge and, in some measures, create a plan to arrest the punishing price deflation of the time. [...] With Fisher the long history of money is brought into the modern era."Irving Fisher is regarded as being one of the earliest American neoclassical economists and the first celebrity economist. Fisher was also the first economist to distinguish clearly between real and nominal interest rates and he was by Milton Friedman called "the greatest economist the United States has ever produced."

Madrid, De Orden Superior, 1787. 4to. Contemp. full mottled calf. Raised bands. Gilt spine. Gilt borders on covers. Titlelabel with gilt lettering. Small crack in joint at upper compartment. Stamps on title-page. (2),158 pp., 3 folded tables. Clean and fine, wide-margined and printed on good paper. Scarce first edition.

London, B. and J. White, 1794. Bound in 2 very fine cont. full red longgrained morocco. Gilt inside and outside borders. All edges gilt, gilt back. Backs lightly faded. XXIV,503,(28) pp. and 1 folded table + VI,72 pp. and 38 fine engraved and hand-coloured plates (Drawn and engraved by F.P. Nodder). Both volumes in excellent condition, clean and fresh, printed on good paper and plates with tissueguards. Inscription in ink in both volumes reads: "Emma Curtis the gift of MS. Taylor(?) 1795." Rousseaus' popularization of the linnean system ran through many editions, and was first issued as a part of his posthumously published "Works" as "Letters elementaire...." in 1782. The "38 Plates" by Martyn was first published 1788 as a sort illustrative companion to the text of Rousseau's letters. Here they come together in the fine printings of 1794. - Pritzel 7824 - Soulsby No 704, but this 4th edition not in the collection.

Paris, Panckoucke. Liege, Plomteux, 1774-97. 4to. 5 uniform contemp. hcalf. Spines gilt, titlelabels with gilt lettering. Spines slightly rubbed. Ca. 3300 pp. and 75, mostly double-page, engraved plates. At the end of the platevolume is bound the platesection belonging to the heraldic part of the Encyclopédie: "Blason ou Art Héraldique" with 31, mostly double-page, folded engraved plates + 2 engraved plates belonging to "Chorégraphie ou Art d'Ecrire la Danse".

Kiøbenhaffn, Henrich Waldkirch, (1611). 8vo. Pragtfuldt og ganske velbevaret, sikkert dansk, samtidigt hellæderbind i brunt kalveskind udstyret med blindtrykte og brede forgyldte rammer med rullestempler. De to inderste rammer, den ene med rullerstempler, den anden, som er sammensat af enkeltstempler er forgyldte (her og der slid af forgyldningen). Den inderste ramme med store indadvendte stiliserede blomsterstempler og i midtfeltet en stor forgyldt medaillon, på forsiden afbildning af korsfæstelsen på bagsiden arabeskagtig. Helt guldsnit med ciselerede ornamenter. Dobbelte kapitælbånd. Spor efter lukkesnore. Titelbladet trykt i rødt og sort indenfor en røskenramme. På bagsiden af titelbladet er Gøye-slægtens våbenskjold trykt. På blad 2 atter et våbenskjold (hustruens slægt ?). 78 blade alle trykt inden for en stregramme. På svært papir og aldeles ren. Pragtfuldt udstyret eksemplar, både udvendigt og indvendigt - givetvis et mæcenatseksemplar som meget vel kunne stamme fra Anna Gøyes bibliotek. Hun var bogsamler og arvede faderens, Henrik Gøyes bøger (afdøde). Hendes bibliotek blev senere ved testamente grundstammen i Karen Brahes bibliotek.

Hamburg, Johan Georg Traufold, 1745-51(52). Folio. Bound in 3 cont. full calf. Top of spines on 2 vols. repaired. Gilt backs, raised bands. Some scratches to covers. Backs a little rubbed. 3 engraved titlepages (the first with a small reapir at foot). Profusely illustrated with textengravings, large vignettes, coins and medals (more than 200). 5 engraved portraits (all) and 22 (of 24) plates of which 12 are double-page (battlescenes and maps). The last 20 leaves of vol. 3 a little dampstained in right margin. Printed on good paper and in general fine and clean internally. Part of front-and endpapers renewed. First German edition, translated by J.H. Heubel. This German translation is much expanded compared to the Swedish original from 1740. Warmholtz 5954. Holtzmann u. Bohatta III:423.

Kjöbenhavn, Andreas Seidelin, 1838. 8vo. Indbundet i et beskedent, senere papbind. Med egenhændig dedikation fra Ingemann til Grundtvig på fribladet: "Til / Digteren Grundtvig / med Venskab og / Hengivenhed / fra / Forfatteren". Ren og pæn indvendig. Særdeles nydeligt eksemplar af originaludgaven med dedikation til den danske præst og digter N. F. S. Grundtvig (1783-1872). Grundtvig var en af de absolut mest centrale skikkelser i den danske guldalder, og hans indflydelse på dansk kultur og nationalisme kan næppe overvurderes. Ingemann opretholdt et tæt venskab med Grundtvig i over 50 år, og deres omfattende korrespondance er stadig en af de vigtigste kilder til det intellektuelle liv i Danmark i det 19. århundrede.

Franckfurt, (Corvinus), 1568. Large folio. (38 x 25 cm.). Later hcalf. Covers nearly detached and spine gone. Some old owners signatures on titlepage. The first ab. 50 leaves frayed in lower right corners, likewise some at end. Some quires loosening. In general sewing somewhat loose. Old underlinings in ink and some old annotations in margins. Titlepage with broad pictorial wood-cut border. (32),(2) blank,988,(20 - Register) pp. Profusely illustrated with smaller and larger wood-cut initials, and with more than 100 large, fine wood-cut engravings in the text (each ab. 11x15 cm.) by the well-known renaissance-illustrator Jost Ammon.With two traceable Danish ownerships (their names on titlepage). Axel Jul (Juul) 1606-1671. Danish numismatist. He acquired the book 1630. - Michael (Mikkel) Hvass from Sjørup or Søgaard( in Jutland 1583 - ca. 1655). Studied at Sorø Academy and the University atLeyden. Author of two works. "A uncommon and magnificent edition: it has a number of curious wood-cuts, and the typography is exceedingly splendid. The connesseur will discover many singular traits in the engravings - the bustle of a battle and solemnity of a marsh are sometinmes well represented - but he will smile on finding cannons and bombs indtroduced in a Roman siege. The text is printed with frequent contractions, but, from what I have perused, it is not incorrect. The engravings, and general splendour of the volume, will always render it a great acquisition to the library of the curious." (Dibdin II, p. 166).Jost (Ammon) Amman (1539 - 1591) was a Swiss artist, celebrated chiefly for his woodcuts, done mainly for book illustrations. "Amman was born in Zurich, the son of a professor of Classics and Logic. He was himself well-educated. Little of his personal history is known beyond the fact that he moved to Nuremberg in 1560, where he continued to reside until his death in March 1591. He worked initially with Virgil Solis, then a leading producer of book illustrations. His productiveness was very remarkable, as may be gathered from the statement of one of his pupils, that the drawings he made during a period of four years would have filled a hay wagon. A large number of his original drawings are in the Berlin print room. About 1,500 prints are attributed to him. He was one of the last major producers of woodcuts for books, as during his career engravings were gradually taking over that role." (Wikipedia).Adams L 1345.

London, John Murray, 1903. Lex8vo. Orig. gilt cloth. Front board with some scratches to the cloth. With large presentation-inscription from Waller to the Danish physiologist Prof. Christian Bohr, and with the name of his son, the famous physicist Niels Bohr, in his own hand. VIII, 175 pp. Richly illustrated. First edition, presentation-copy to Christian Bohr and later owned by his son Niels Bohr, of Waller's important work on the basic principles of living things based on live demonstrations of electrical phenomena.The work is a collection of eight eloquent lectures aimed at all students interested in learning about the physiology of life. Waller was the first to record a human electrocardiogram using a mercury capillary electrometer.

London, Taylor and Francis, 1876-79. Witout wrappers as three issues from "Proceedings of the Royal Society of London", Vol. 24, No. 167+ Vol. 27, No.187+ Vol. 28, No. 191. Pp. 250-344, pp. 284-408 a. pp. 103-232. Papers: In No. 167:pp. 262-265 (James Thomson), pp. 266-68, pp. 269-271, pp. 271-275. In No. 187: pp. 371-373. In No. 191: pp. 111-113 (W. Thomson). Titlepages to vols. 24, 27 a. 28 present. 2 papers with textillustrations. First appearance of all the 6 founding papers around the invention of the "Harmonic Analyzer" and with the mathematical theory for the differential analyzor, containing both the mathematical theories and the practical descriptions of the analyzer and further also having the paper by Lord Kelvin's brother (the first paper offered) in which the machinery is shown for the first time."A ball and disk integrator was the vital invention needed to build the FIRST AUTOMATIC ANALOG COMPUTING MACHINES. Lord kelvin used this integrator -devised for a planimeter in the 1860s by his brother, James Thomson - on two new kinds of analog computers: a harmonic analyzer and a tide predictor. he later specified a more general machine - a differential analyzer."(Eames in "A Computer Perspective")."The harmonic analyzer was used in conjunction with Thomson's tide predictor...The present paper ("Harmonic Analyzer") contains the first full description of the harmoniz analyzer, which was "designed rudimentally" (p. 371) in Thomson's "On an integrating machine having a new kinematic principle"(also offered here),,,,James Thomson's integrator - "one of the first really workable integrating devices" (Williams 1985, 207) - served as the basis for other analog machines designed by William Thomson for solving simultaneous linear equations and integrating differential equations. Thomson first described such a machine, composed of several Thomson integrators connedted together, in his paper on "Mechanical integration of the linear differentialequations of the decond order...." (also offred here); however the "idea could then hardly be carried out, forone reason because an integrator, which is simply a variable- speed drive, could not then be buitl both accurate and capable of carrying sufficient load to move numerous mechanical parts" (Bush 193, 450). The full realization of Thomson's idea did not come until fifty years later, when Vannevar Bush invented the torque amplifier for use in his differential analyzer."(Hook and Norman).

(London, Richard Taylor, 1834). 4to. No wrappers as extracted from "Philosophical Transactions" 1834 - Part I. Pp. 77-122. Fine and clean. First appearance of this milestone paper in which Faraday announces the discoveries of further laws of electrochemistry, stating the general relations of electricity to chemistry and introducing new terms with precise meanings. The first part of the paper introduces his new terminology, giving the words a limited and precise meaning. These words, devised with the assistance of William Whewell, are now familiar to all chemists, electrode, anode, cathode, ion, anion, and cation. He also introduces the "Volta-electrometer", and arrives at the "Law of electro-chemical equivalents". The paper offered is one of Farday's most famous papers."Another section of the paper is devoted to a closer examination of the law of constant electrochemical action with respect to water and to the development of a gas electrometer to measure quantities of electricity. Faraday's "Volta-electrometer" provided the first practical means for the quantitative measurement of electricity." (Source Book in Chemistry p. 280-81).From 1831 to 1852 Michael Faraday published his "Experimental Researches in Electricity" in The Philosophical Transactions of the Royal Society. These papers contain not only an impressive series of experimental discoveries, but also a collection of heterodox theoretical concepts on the nature of these phenomena expressed in terms of lines of forces and fields. He published 30 papers in all under this general title.They represents Faraday's most importent work, are classics in both chemistry and physics and are the experimental foundations for Maxwell's electro-magnetic theory of light, using Faraday's concepts of lines of force or tubes of magnetic and electrical forces. His many experiments on the effects of electricity and magnetism presented in these papers lead to the fundamental discoveries of 'induced electricity' (the Farday current), the electronic state of matter, the identity of electricity from different sources, equivalents in electro-chemical decomposition, electrostatic induction, hydro-electricity, diamagnetism, relation of gravity to electricity, atmospheric magnetism and many other."Among experimental philosophers Faraday holds by universal consent the foremost place. The memoirs in which his discoveries are enshrined will never ceaseto be read with admiration and delight; and future generations will preserve with an affection not less enduring the personal records and familiar letters, which recall the memory of his humble and unselfish spirit."(Edmund Whittaker in A History of the Theories of Aether and Electricity).

Kiøbenhaffn, Andrea Koch paa Niels Jacobsens Bekostning, 1631. 4to. Samt. helpergamentsbd. med lettere brugsspor. Lille reparation ved kapitæl. Titelblad trykt i rødt/sort med røskenramme. (24),135,(7),(2) pp. Let brunet, ellers ganske velbevaret. Titelblad og 1 blad repareret i kanter, uden teksttab. Forsatse fornyet. Første danske bog om Jødisk ret, her i optrykket idet den først udkom 1605. Niels Jacobsen Holst, som i indbydelsen (her bundet til sidst) skriver: "Der jeg, O Christne Læsere, tænckte paa at det vaare den gemene Mand gaffnligt, denne Guds Lowbog igien paa ny at bliffue tryckt, effterdi der vaar en enten saa eller slet ingen igen aff det slags at bekome, da fant jeg tvende fornemme Aarsager, Hvorføre wi bør at haffve Guds Low offven paa naturlig oc verdslig Menniskens Low, man seet at denne udflyder aff den, oc den aff hin, oc der udoffer lader sig tee at de næsten skulle være it." - Bibl. danica I:610. Thesaurus 563.

Hannover, Helwing, 1815-29. Bound in 3 fine contemp. speinckled hcalf, gilt spines and titlelabels with gilt lettering. Volume 4 in contemp. full calf, raised bands, richly gilt spine. Titlelabel torn. Stamp on titlepages. XXIV,420,(4);XXIV,533,(3) pp., folded tables and 32 large folded engraved plates, maps and plans. Internally fine and clean. Klaus Jordan No 3358.

Milano, Giuseppe Galeazzi, 1808. 4to. Uncut in original blue wrappers. Chipping to backstrip. A paper label to foot of back-strip. (2), 76 pp. a. 11 double-page folded engraved plates (geometrical figs). Printed on good paper, clean and fine, apart from a minor stain to 2 leaves. First edition. In this scarce and unusual work Salimbini combines moral philosophy with elementary mathematics. In the first part he discusses aspects of moral philosophy, discussiong the ideas of Spinoza, Hobbes, Bayle, Wolff, Pufendorff etc. while examining questiions of moral obligation, freedom of the will, atheism etc.The socond part is concerned with the elements of mathematics, discussiong the calculus, logarithmns, arithmetic, geometry, proportions and different kinds of equations, spherical geometry etc.

Leipzig, Johann Ambrosius Barth, 1821. 8vo. Contemp. hcalf. Gilt spine and with gilt lettering. Some scratches to spine. In: "Annalen der Physik und der Physikalischen Chemie. Hrsg. Ludwig Wilhelm Gilbert", Bd. 7 (= Bd. 67 der Reihe). (8),444 pp., 2 folded tables and 8 engraved plates. Small stamp to verso of titlepages. Ampére's paper: pp. 113-167 a. 225-258 with 4 engraved plates. Internally clean and fine. First German versions of Ampére's famous papers, the first announcements of Ampère's discoveries on electromagnetism, being the German version of Ampére's "Mémoires sur I'action mutuelle de deux courans électriques, sur celle qui existe entre un courant électrique et un aimant ou le globe terrestre, et celle de deux aimans I'un sur I'autre."Ampère first heard of Ørsted's discovery of electromagnetism on the 4th of September when Arago announced Ørsted's results to the Paris Academy of Sciences. In Ørsted's experiment a current-carrying wire is held over, and under, a compass needle - the result being that the needle is positioned at 45 degrees in respect to the wire. Ampére immediately saw that this result made no physical sense and realized that the true nature of the effect could not be observed until the force of terrestrial magnetism was somehow neutralized; what Ørsted had observed and reported on was the resultant of the force from the wire and that from the earth's magnetic field. Ampère discovered that the compass needle sets at 90 degrees to the current-carrying wire when the effect of terrestial magnetism is eliminated. He also observed that current-carrying wires which are formed as spirals act as permanent magnets, and this lead him to his theory that electricity in motion produces magnetism and that permanent magnets must contain electrical currents. And thus Ampère laid the foundation of the new field of electrodynamics.Ampère announced his theory and experimental results, for the first time, in a series of memoires read before the Paris Academy of Sciences in September and October 1820. These memoires were first published in the September and October issues of Arago's 'Annales de Chimie et de Physique'. In November Ampère had a seperate printing of his findings published under the title 'Mémoires sur I'action mutuelle de deux courans électriques, sur celle qui existe entre un courant électrique et un aimant ou le globe terrestre, et celle de deux aimans I'un sur I'autre.' (Dibner 62, Norman 43). Honeyman 82, Barchas 51, Wheeler 762. (The French versions).The volume contains other importent papers of historical importence, relating to the discovery of electro-magnetism by Oersted in 1820. (Raschig, Bechstein, Georg von Buquoy, Prechtl, Boisgiraud).

Kiøbenhavn, Godiche, 1767. 4to. Samtidigt helldrbd. Rigrygforgyldning, skindtitel på ryg. Slidt ved øverste kapitæl. Ryg og rygforgyldningen lidt slidt. Stemplerpå titelbladet. 712 s. samt 76 kobberstukne plancher (prospekter, planer) af i alt 80. Mangler; kortet over Sydsjælland, kortet over Bornholm, kortet over Laaland, Falster og Langeland samt kortet over Fyn. Lidt spredte brunpletter, men plancherne gennemgående rene og i god stand. Planchen Vemmetoft forstærke tpå bagsiden for en mindre revne, intet tab. Originaltrykket.

Paris, Caude Jombert, 1724. 4to. Nice recent marbled boards in old style with titlelabel on frontcover. 24 pp. and one folded engraved plate. A few weak brownspots to margins. Otherwise fine and clean. First edition of this extremely scarce work by the famous mathematician, solving an important problem in dynamics and extending Newton's work."Despite the invention by Leibniz and Newton of the Calculus, the problem of mechanics of impact or percussion remained of centarl interest. The Royal Academy of Sciencesin Paris biannually qwarded a prize for the most outstanding paper; in 1724 and 1726 the prizes were for papers on percussion. Colin Maclaurin, professor of mathematics at the University of Aberdeen, was awarded the prize in 1724 (forthe paper offered) over John Bernoulli...He expressed thet the interaction of forces on ciolliding bodies are equal in magnitude but opposed in direction (newton's third law) and used the physical construct of an elastic spring between the contact points in order to obtain changes in velocity during compression and restitution phases of collisions..."(W.J. Stronge in "Impact Mechanics").The Scottish mathematician Colin MacLaurin (1698-1746) is best known for developing and extending Newton's work in calculus, geometry and gravitation; his 2-volume work "Treatise of Fluxions" (1742) was the first systematic exposition of Newton's methods. It is well known that MacLaurin was awarded prizes by the Royal Academy of Sciences, Paris, for his earlier work on the collision of bodies (the work offered here) and the tides (1740).

Reykjavik, 1981. Folio. Fine orig.hvellum in orig.slip-case made of vellum with cloth sides. 66 pp. of text + fine facsimile of the entire Skardsbók. (Islensk Midaldahandrit Manuscripta Medii Aevi Vol. I).

A Ville Franche, Joli Le Franc, 1681. 12mo. In contemporary full calf with richly gilt spine. Small paper-label pasted on to top of spine. Wear to extremities, a few holes to front board, showing the wooden board. Corners bumped. Internally nice and clean. (10), 514 pp. + frontispiece. Uncommon first edition of this work containing 31 gallant or facetious tales and stories, also referred to as ‘tricks of love. These short stories was most likely inspired by Boccaccio. The anonymous author announced a sequel which never appeared. Not in Barbier.

Paris, C. Reinwald et Cie, 1872-1873. 8vo. 2 volumes uncut in publisher's original green full cloth with gilt lettering and ornamentation to spines and embossed front and back boards. A stamp to title-pages and very light wear to extremities, internally very fine, clean and fresh. XV, (1), 452, 24 [advertisements] pp.; (8), 494, (2) pp. First French translation of Darwin's 'Descent of Man'. Whereas "Origin of Species" established Darwinism as a turning point in nineteenth-century biology "The Descent of Man" helped built a bridge between biology, the social sciences, and the humanities and made Darwinism a broad system of research designs, theoretical principles, and philosophical outlook."Darwin wrote, in the preface to the second edition, of 'the fiery ordeal through which this book has passed'. He had avoided the logical outcome of the general theory of evolution, bringing man into the scheme, for twelve years, and in fact it had, by that time, been so much accepted that the clamour of the opposition was not strident. He had also been preceded in 1863 by Huxley's Man's place in nature. The book, in its first edition, contains two parts, the descent of man itself, and selection in relation to sex. The word 'evolution' occurs, for the first time in any of Darwin's works, on page 2 of the first volume of the first edition, that is to say before its appearance in the sixth edition of The origin of species in the following year." (Freeman).It was translated into Danish, Dutch, French, German, Italian, Polish, Russian and Swedish in Darwin's lifetime and into ten further languages since.Freeman 1058

Genevae, Chovët, & Socij., 1682. Folio. Cont. full blindstamped vellum. First hinge professionally repaired. Halftitle and title in red/black with engraved vignette. (24),987,(15) pp. Scarce first edition. Bonet was one of the founders of pathological anatomy and predecessor of Morgagni. He is specially known for his collection of pathological descriptions selected from the literature from the time of Hippocrates, but mainly from the 16th and 17th centuries. - Wellcome II:198. - Waller: 1276.

(London, Harrison and Sons, 1894, 1895, 1897, 1898, 1899 a. 1899. 4to. No wrappers as extracted from "Philosophical Transactions", Vol. 185 - Series A, pp. 71-110, textfigs. a. 5 plates. - Vol. 186 - Series A, pp. 343-414 a. 10 plates. - Vol. 187 - Series A, pp. 253-318 - Vol. 191 - Series A, pp. 229-311 - Vol. 192-Series A, pp. 169-244 a. 2 plates. - Vol. 192, Series A, pp. 257-330. All clean and fine. First appearance of the founding papers of modern mathematical statistics, out of which grew Pearson's creation of Biometrics."Founder of biometrics, Karl Pearson was one of the principal architects of the modern mathematical statistics. He was a polymath whose interests ranges from astronomy, mechanics, meteorology and physics, to biological sciences in particular, including...eugenics, evolotionary biology,heredity......Largly owing to his interests in evolutionary biology, Person created, almost single-handedly, the modern theory of statistics in his Biometric School at University College London.... In his creation of biometrics, out of which the discipline of mathematical statistics had develoiped by the end of the nineteenth century, Person introduced a new vernacular for statistics (including such termss as the standard deviation, mode, homoscedasticity, heteroscedasticity, kurtosis and the producct-moment correlation coefficient." (Heyde in Statisticians of the Centuries).In the first paper offered here Person introduced the method of moments as a mean curve fitting assymetrical distributions ("point-binominals") and he applies the theory to crabs and prawns. This is a general method for determining the values of the parameters of a frequency distribution.In the second paper offered here, Pearson develpoed the general formula to use for subsets of six types of frequency curves, now known as "Pearson Type Curves".In his seminal paper "Regressin, Heredity and Panmixia", the third papers offered here, Pearson introduced matrix algebra into statistical theory and also introducing 'eta' as a measure for curvilinear relationship, the standard error of an estimate, multiple regression and multiple and partial correlation, and devises the coefficient of variation as a measure of the ratio of a standard deviation to the corresponding mean expressed as a percentage.In the fourth paper he deals with the theory of probable erros and of correlations of errors...In the fifth paper he deals with the theory as involving multiple correlations...stature in biology is shown to be best reconstructed from measurements of long bones.The last paper offered deals with a variety of biological correlations, inheritance of characters etc. etc.G.M. Morant: A Bibliography ofthe Statistical and other writings of Karl Pearson Nos 2, 4, 6, 16, 17 and 20. - Eiasenhart in DSB, pp. 449-453.

Paris, Crochard, 1832. Contemp. hcloth, gilt lettering to spine. In: "Annales de Chimie et de Physique, Par MM. Gay-Lussac et Arago.", tome 50, Series 2. (Entire volume offered). 448 pp. 2 folded engraved plates. Faraday's papers: pp. 5-67 a. pp. 113-162. Some scattered brownspots. First French editions of the 2 first memoirs of Faradays groundbreaking researches on electricity, constituting the first 2 papers of his "Experimental Researches in Electricity", and containing his fundamental discovery of electromagnetic induction, THE FOUNDATION OF NEARLY ALL THE ELECTRICITY IN USE TODAY. In 1820 Oersted had generated magnetism from electricity, Faraday here finds the opposite effect, generating electricity by magnetism. He also described the first electrical generator (second paper). THESE PAPERS ARE SOME OF THE GREAT CLASSICS OF CHEMISTRY AND PHYSICS."Faraday demonstrated this theory involving the lines of force....by inserting a magnet into a coil of wire attached to a galvanometer. While the magnet was being inserted or removd, current flowed through the wire. If the magnet was held stationary and the coil moved over it one way or the other, there was current in the wire. In either case the magnetic lines of force about the magnet were cut by the wire.If the magnet and coil were both held motionless, whether the magnet was within the coil or not, there was no current...Faraday hd thus discovered electricalinduction...It was to lead to great things, but this was not apparent."(Asimov)."Although his discovery of the electric motor and the dynamo was almost entirely identical to his theoretical discoveries, it laid the foundation of the modern electrical industry - electric light and power, teælephony, wireless telegraphy, televison etc. - by providing for the production of continous mechanical motion from an electrical source, and vice versa." (PMM, 308).Horblit, 29 - Milestones, 62. - Dibner, 64. - PMM, 308.The volume contains further notable papers. Elie de Beaumont "Zweiter geologischer Brief...an A.v. Humboldt über die relative Alter der Gebirgszüge", pp. 1-58 a. 2 plates (one handcoloured), papers by Döbereiner, E. Lenz, Moser, Mitscherlich, de Saussure, J. Dumas, F.E. Neumann, Gay-Lussac, Johannes Müller "Beobachtungen zur Analyse der Lymphe, des Bluts und des Chylus", pp. 513-590.

Paris, Gauthier-Villars, 1896. 4to. Near contemp. full cloth. Spine gilt and with gilt lettering. Bookmark, "The Chemists Club" in gold on lower part of spine. Light wear along edges. In: "Comptes Rendus Hebdomadaires des Séances de L'Academie des Sciences", Tome 122 (Entire volume offered).1633 pp. The papers: 420-421, pp. 501-502, pp. 559-564, pp. 689-694, pp. 762-767 and pp. 1086-1088. First appearance of the six landmark papers in which Becquerel documents his discovery of Radio-activity, PROMPTING THE NUCLEAR AGE.Becquerel was an expert in fluorescence and phosphorescence, continuing the work of his father and grandfather. Follwing the discovery of X-rays by Röntgen, Bexquerel investigated fluorescent materials to see if they also emitted X-rays. He exposed a fluorescent uranium salt, pechblende, to light and then placed it on a wrapped photographic plate.He found that a faint image was left on the plate, which he believed was due to the pichblende emitting the light it had absorbed as a more penetrating radiation.. However, by chace, he left a sample that had not been exposed to light on top of a photographic plate in a drawer. he noticed that the photographic plate also had a a faint image of the pechblende. After several chemical tests he concluded that these "Becquerel rays" were a property of atoms. He had, by chace, discovered radio-activity and prompted thee beginning of the nuclear age. He shared the Nobel Prize for Physics in 1903 with Marie and Pierre Curie. The "Becquerel Rays" were later discovered to be a composite of three forms of emanation, distinguished by Rutherford as alpha, beta and gamma rays.Dibner: 163 (the later Mémoire from 1903) - PMM: 393 (1903- Mémoire) - Garrison & Morton: 2001 (only the first paper). - Magie "A Sourve Book in Physics" p. 610 ff. - Norman:157.

Basle (Basel), Chez Chretien Mechel Graveur, 1778. Queer-folio. Later hcalf w. raised bands and red title-label on back. Uncut. Engr. title-vignette and 30 full-page engr. plates, no text. Nice and clean, excellent condition. First and only edition, containing all 30 beautiful engravings, depicting the five rooms with paintings in the Düsseldorf-museum, "Galerie Électorale". The plates show plans of the rooms as well as how and where the paintings are placed and hung. The catalogue is the first of its kind to have been made for a German museum. It is the first critical and completely illustrated "Verzeichnis" for a German museum.All plates are engraved under the direction of Chr. de Mechel of Basel."Le premier volume de cet ouvrege contient les planches représentant 365 sujets gravés avec beaucoup de délicatesse." (Brunet IV:651).