620 résultats
1825346421 vol. in-8 cartonnage marbré de l'époque, Chez Crochard, Paris, 1825, 448 pp. avec 2 planches dépliantes. Contient notamment : Suite du Mémoire de M. Ampère sur une nouvelle Expérience électro-dynamique, sur son application à la formule qui représente l'action mutuelle de deux élémens de conducteurs voltaïques, et sur de nouvelles conséquences déduites de cette formule (Ampère) ; Mémoire sur la Voix humaine (Félix Savart) ; Recherches relatives à l'Influence de la température sur les forces magnétiques (A.-F. Kupffer) ; Mémoire sur les Roues verticales à palettes courbes mues par dessous, suivi d'expériences sur les effets mécaniques de ces roues (Poncelet) ; Lettre de M. Marcel de Serres à M. Gay-Lussac sur les Cavernes à ossemens ; De l'Influence exercée par divers milieux sur le nombre de vibrations des corps solides (Félix Savart) ; etc...
1824346381 vol. in-8 cartonnage marbré de l'époque, Chez Crochard, Paris, 1824, 448 pp. avec 7 planches dont 6 planches dépliantes hors texte, Contient notamment : Extrait d'un Mémoire sur les Phénomènes électro-dynamiques (Ampère) - Sur la chaleur rayonnante - Note relative au Mémoire sur la Chaleur rayonnante (Poisson) - Développemens relatifs aux Effets électriques observés dans les actions chimiques ; et de la Distribution de l'électricité dans la pile de Volta, en tenant compte des actions électro-motrices des liquides sur les métaux (Becquerel) - Description d'un appareil électro-dynamique (Ampère). Recherches sur les usages de la membrane du tympan et de l'oreille externe (Savart) ; Instruction sur les Paratonnerrres (Gay-Lussac) ; Sur la corrosion du cuivre qui forme le doublage des vaisseaux (Davy) ; Observations sur la température de la terre à Paramatta (Nouvelle-Galles du Sud par Sir Brisbane) ; Instruction sur l'Essai du Chlorure de Chaux (Gay-Lussac) ; Extrait d'un mémoire sur les mortiers hydrauliques (Treussart) ; Examen chimique d'un fragment d'une masse saline considérable rejetée par le Vésuve dans l'éruption qui a eu lieu en 1822 (Laugier) ; etc...
162379First Edition. hardcover. 2 vols. 8vo handsomely bound in modern 3/4 red morocco original wrappers bound in both volumes; original wrappers in both volumes lightly soiled bookplate of former owner on half-title in each volume a few lines of text underlined in pencil on one page in vol. II very light foxing to some pages in both volumes otherwise very good. Paris: Michel Levy 1855.<br/><br/> "Jean Jacques Ampere was a teacher historian philologist authority on Scandinavian and German epic poetry and a member of the French Academy. He made a grand tour of.the United States Cuba and Mexico." Clark III 442. During his travel in the United States Ampere ".covered the east and the south and as far west as Cincinnati and Chicago." Howes A-222<br/><br/> unknown books
1855162379Paris: Michel Levy 1855. First Edition. hardcover. 2 vols. 8vo handsomely bound in modern 3/4 red morocco original wrappers bound in both volumes; original wrappers in both volumes lightly soiled bookplate of former owner on half-title in each volume a few lines of text underlined in pencil on one page in vol. II very light foxing to some pages in both volumes otherwise very good. Paris: Michel Levy 1855.<br/> <br/> "Jean Jacques Ampere was a teacher historian philologist authority on Scandinavian and German epic poetry and a member of the French Academy. He made a grand tour of.the United States Cuba and Mexico." Clark III 442. During his travel in the United States Ampere ".covered the east and the south and as far west as Cincinnati and Chicago." Howes A-222<br/> <br/> Michel Levy unknown
1825346411 vol. in-8 cartonnage marbré de l'époque, Chez Crochard, Paris, 1825, 448 pp. avec 3 planches dépliantes. Contient notamment : Mémoire sur une nouvelle Expérience électro-dynamique, sur son application à la formule qui représente l'action mutuelle de deux élémens de conducteurs voltaïques, et sur de nouvelles conséquences déduites de cette formule (Ampère) ; Lettre de M. Ampère à M. Gerhardi sur divers phénomènes électro-dynamiques ; Extrait d'un Rapport fait à l'Académie par M. Ampère sur les Piles sèches de M. Zamboni ; Examen de quelques minéraux du genre grenat (Vachmester) ; Note sur la Répulsion que des corps échauffés exercent les uns sur les autres à des distances sensibles (Fresnel) ; Note sur l'existence de l'iode dans le règne minéral (Vauquelin) ; Analyse des Séléniures du Harz oriental (Rose) ; Sur la séparation de l'acide titanique de l'oxide de fer (Henri Rose) ; Analyse d'un Alliage d'or avec du rhodium, de la maison du Départ de Mexico (André del Rio) ; De l'action des poisons sur le règne végétal (Marcet) ; Examen du Platine trouvé en Russie (Laugier) ; Nouvelles Recherches sur les Vibrations de l'air (Félix Savart), etc...
16165Paris, Méquignon-Marvis, 1818-1822.
182444786Paris, Crochard, 1824. 8vo. Without wrappers. In 'Annales de Chimie et de Physique', Series 2 - Volume 26, issue 2 and 3. With titlepage to vol. 26. Pp. 113-224 a. pp. 225-336, 1 folded engraved plate (entire issues offered). Ampere's papers: pp. 134-162 a. pp. 246-258.
182444786Paris Crochard 1824. 8vo. Without wrappers. In 'Annales de Chimie et de Physique' Series 2 - Volume 26 issue 2 and 3. With titlepage to vol. 26. Pp. 113-224 a. pp. 225-336 1 folded engraved plate entire issues offered. Ampere's papers: pp. 134-162 a. pp. 246-258. <br/><br/><em>First appearance of one of Ampere's importent contributions to electrodynamic. This memoir was later incorporated in his great memoir of 1827 "Mémoire sur la théorie mathématique des phénomenes electro-dynamiques." published 1827 the "Principia" of electrodynamics. </em> unknown
182149574Leipzig, 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.
182149574Leipzig 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. 8444 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. <br/><br/><em>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. </em> unknown
240053S.l., s.d. (janvier-avril 1828) 7 parties en un vol. in-4, titre, [111] ff. n. ch., dont certains vierges entre les cahiers, écriture fine, cursive, mais lisible, environ 30 lignes par page, biffures et ratures occasionnelles, avec des figures géométriques dans le texte, demi-basane fauve modeste, dos lisse orné de filets dorés, titre poussé sur le dos "Analyse & mécanique I", coins en vélin rigide (reliure de l'époque). Dos très frotté.
1824317101824. Paris Crochard & Bachelier 1824 8° 24 pp. 1 folding plates untrimmed in contemporary wrapper; preserved in fine halfleather book case. Rare first edition! In 1824 Ampère invented the solenoid "Ampére knonstruiert zur Beobachtung der Wirkung galvanischer Ströme das Solenoid eine beweglich aufgehängte vom Strom druchflossene Drahtspirale welche sich nach Ampère's Gesetz so einstellt daß ihre Achse mit dem magnetischen Meridian zusammenfällt. Er brauchte den Kunstgriff die Drahtenden in Quecksilber zu sTellen" Darmstädter p.345 Weaver 814; Poggendorff I Sp.40; Cushing A.168 and Sotheran had only the second edition 1828 hardcover
182547420(Paris, Crochard, 1825). Extracted from ""Annales de Chimie et de Physique, Par MM. Gay-Lussac et Arago."", tome 29 a. 30. Ampère's papers: pp. 381-404 a. 1 folded engraved plate (tome 29) + Suite pp. 29-41 (tome 30) + ""Lettre à Gerhardi"": pp. 373-381 (tome 29). With both halftitlepages to vol. 29 a. 30. Scattered brownspots.
182448831Paris, Crochard, 1824. 8vo. Contemp. hcloth with gilt lettering to spine. In 'Annales de Chimie et de Physique', Series 2 - Volume 26. 448 pp. a. 5 large folded engraved plates. (Entire volume offered). Ampere's papers: pp. 134-162, 246-258 a. 390-411. A bit of browning to halftitle and verso of last plate. A few scattered brownspots.
182448831Paris Crochard 1824. 8vo. Contemp. hcloth with gilt lettering to spine. In 'Annales de Chimie et de Physique' Series 2 - Volume 26. 448 pp. a. 5 large folded engraved plates. Entire volume offered. Ampere's papers: pp. 134-162 246-258 a. 390-411. A bit of browning to halftitle and verso of last plate. A few scattered brownspots. <br/><br/><em>The first paper is the first appearance of one of Ampere's importent contributions to electrodynamic. This memoir was later incorporated in his great memoir of 1827 "Mémoire sur la théorie mathématique des phénomenes electro-dynamiques." published 1827 the "Principia" of electrodynamics.The second paper is the first appearence of the paper in which Ampere describes his invention of the SOLENOID the electro-magnetic device he used in his early electrodynamical experiments."A solenoid is a coil wound into a tightly packed helix. In physics the term solenoid refers to a long thin loop of wire often wrapped around a metallic core which produces a magnetic field when an electric current is passed through it. Solenoids are important because they can create controlled magnetic fields and can be used as electromagnets. The term solenoid refers specifically to a magnet designed to produce a uniform magnetic field in a volume of space where some experiment might be carried out."The volume contains further importent papers by Poisson "Sur la Chaleur rayonnante" pp. 225-246 Note. pp. 442-44 Gay-Lussac Savart Pelletier et Caventou Becquerel etc. </em> hardcover
182547420Paris Crochard 1825. Extracted from "Annales de Chimie et de Physique Par MM. Gay-Lussac et Arago." tome 29 a. 30. Ampère's papers: pp. 381-404 a. 1 folded engraved plate tome 29 Suite pp. 29-41 tome 30 "Lettre à Gerhardi": pp. 373-381 tome 29. With both halftitlepages to vol. 29 a. 30. Scattered brownspots. <br/><br/><em>First appearance of this famous memoir in which Ampère presented his collected results on electrodynamics to the French Academy creating the foundation of 19th century developments in electricity and magnetism. In the words of James Clark Maxwell "We can scarcely believe that Ampère really discovered the law of action by means of the experiments which he describes. We are led to suspect what indeed he tells us himself that he discovered the law by some process which he has not shown us and that when he had afterwards built up a pefect demonstration he removed all traces of the scaffolding by which he raised it."The offered memoir was published BEFORE the famous "Theorie mathématique des phénomènes électro-dynamiques uniquement déduite de L'expérience" which did not appear until 1827. That 1827-Memoire incorporates together with a new presentation of Ampère's results from 1820 1822 1823 the offered memoir 1825. Horblit: 100 - Dibner: 62."From 1814 until 1820 Ampére did not perform the kind of research that would have made it into the annals of the histrory of science but on September 11 1820 when he heard Francois Arago speak about Oersted's work he got fresh inspiration and started the work that made him famous. Arago related how Oersted had found that a steady electric current influences the orientation of a compass needle. After a weak Ampère had determined experimentally that that two straight parallel and current-carrying wires execute a force on each other. The magnitude of the force is inversely proportional to the distance between the wires and proportional to the strenghts of the current. During the following years he continued his researches both experimentally and theoretically. he built an instrument for measuring electricity that later was developed into the galvanometer. Finally in 1825 he presented his collected results to the Academy IN ONE OF THE MOST CELEBRATED MEMOIRS IN THE HISTORY OF NATURAL PHILOSOPHY The paper offered." Citizen's Compendium p. 2. - Norman No 47. </em> unknown
181627600Paris: 1816 1816. First Edition. Hardcover. Very Good. André Ampère 1775-1836 classified the 48 known elements into three major families gaxolytes leucolytes and chriocolytes that he further divided into 15 "genres" based on "analogies" between the elements chemical properties that seemed related to one another. He did this in three papers in this multi-volume set:   <br/> Also contains Augustin Fresnel's "Mémoire sur la diffraction de la lumière où l'on examine particulièrement le phénomènes des franges colorées que présentent les ombres des corp éclaireés par un point lumineux" by Augustin Fresnel Volume I pp. 239-281 1816 and André Ampère's "D'une Classification naturelle pour les Corps simples" Annales de Chimie et de Physique 1 pp. 295-308 1816; "Suite de l'Essai d'une Classification naturelle pour les Corps simples" Volume I pp. 373-394 1816; and  "Suite d'une Classification naturelle pour les Corps simples" Volume II pp. 5-32 & 108-125 1816. 452 440 448 pp. 8vo. Volumes I & II have blue paper boards with a brown tape spine; Volume III has the same brown paper spine but with brown leather covers also has marbled endpapers. Light scuffing from shelf wear. Clean within. Numerous plates and illustrations some folding. Text in French. 1816 hardcover books
18303542Paris, J. Barbezat, 1830 ; 4 tomes, in-8, demi-veau glacé aubergine, dos lisses ornés de grandes compositions romantiques dorées, titres dorés (reliure de l’époque, Vernier-Reitz) ; 512-516-415-535 pp.
182559780Paris, Crochard, 1825. 8vo. Bound in contemporary half calf with gilt lettering to spine. In: ""Annales de Chimie et de Physique, Par MM. Gay-Lussac et Arago."", tome 29. Entire volume offered. Very light occassional foxing, otherwise a fine and clean copy with no institutional stamps. Pp. 381-404"" 373-381. [Entire volume: 448 pp. + folded plate].
182559780Paris Crochard 1825. 8vo. Bound in contemporary half calf with gilt lettering to spine. In: "Annales de Chimie et de Physique Par MM. Gay-Lussac et Arago." tome 29. Entire volume offered. Very light occassional foxing otherwise a fine and clean copy with no institutional stamps. Pp. 381-404; 373-381. Entire volume: 448 pp. folded plate. <br/><br/><em>First appearance of this famous memoir in which Ampère presented his collected results on electrodynamics to the French Academy creating the foundation of 19th century developments in electricity and magnetism. In the words of James Clark Maxwell "We can scarcely believe that Ampère really discovered the law of action by means of the experiments which he describes. We are led to suspect what indeed he tells us himself that he discovered the law by some process which he has not shown us and that when he had afterwards built up a pefect demonstration he removed all traces of the scaffolding by which he raised it." The offered memoir was published BEFORE the famous "Theorie mathématique des phénomènes électro-dynamiques uniquement déduite de L'expérience" which did not appear until 1827. That 1827-Memoire incorporates together with a new presentation of Ampère's results from 1820 1822 1823 the offered memoir 1825. Horblit: 100 - Dibner: 62. "From 1814 until 1820 Ampére did not perform the kind of research that would have made it into the annals of the histrory of science but on September 11 1820 when he heard Francois Arago speak about Oersted's work he got fresh inspiration and started the work that made him famous. Arago related how Oersted had found that a steady electric current influences the orientation of a compass needle. After a weak Ampère had determined experimentally that that two straight parallel and current-carrying wires execute a force on each other. The magnitude of the force is inversely proportional to the distance between the wires and proportional to the strenghts of the current. During the following years he continued his researches both experimentally and theoretically. he built an instrument for measuring electricity that later was developed into the galvanometer. Finally in 1825 he presented his collected results to the Academy IN ONE OF THE MOST CELEBRATED MEMOIRS IN THE HISTORY OF NATURAL PHILOSOPHY The paper offered." Citizen's Compendium p. 2. - Norman No 47. The volumes contain many other notable papers by: Wöhler Fresnel Marcet Berzelius Felix Savart De la Rive Braconnet Boussingault Magnus Poncelet Vaugelin Poisson Gay-Lussac Faraday Laplace etc. </em> unknown
182022536Paris: Chez Crochard 1820. First Edition. Boards. Very Good. First Edition. 448 pages plus 5 plates 1 folding. 8vo. Contemporary quarter calf over marbled boards with black spine labels. Early label Coquard a Epinal on front pastedown. The entire volume of "Annales de Chimie et de Physique" Vol. Quinzieme XV 15 offered. Surface wear/damage to the leather finish resulting in minor loss to gilding and top label and minor fraying to the head/tail spine panel. Small spot of worming inside lower rear board at the gutter. Text generally bright and clean. <br /> <br /> This volume contains the original journal appearance of the separately issued "Memoires sur l'Action Mutuelle de Deux Courans Electriques" in three sections over two articles pp. 59-76 & 170-218. Section 1: "De l'Action mutuelle de deux courans electriques" pages 59-76 continued as "Suite Du Memoire sur l'Action mutuelle entre deux courans electriques entre un courant electrque et un aimant ou le globe terrestre et entre deux aimans" on pages 170-188. Section 2: "Direction des courans electriques par l'action du globe terrestre" on pages 188-196. Section 3: "De l'Action mutuelle entre un conducteur electrique et un aimant" pages 196-218. Plus plate number 4 in the rear which illustrates the articles. Boards. Ampere is today celebrated for his fundamental work in the new field of electrodynamics. The three part paper offered here established “the relationship between electric current-flow and magnetism and established the new science of electrodynamics.†Norman <br /> <br /> “In a four page circular dated Copenhagen July 21st 1820 H.C. Orsted communicated his great discovery that a closed voltaic circuit exerts forces on an adjacent magnetic needle. In more modern language: a current-carrying electric circuit gives rise to magnetic forces in its surroundings. Orsted had found the long sought affinity between electricity and magnetism. The letter reached Arago … who at the next meeting of Academie des Sciences on Sept. 11th 1820 with Ampere in attendance presented the letter and Orsted's experiment. It was indeed a memorable meeting. Already at the next weekly meeting on Sept. 18th Ampere delivered an explanation of Orsted's experiment and supported it with new experiments of his own. At every weekly meeting in the following months Ampere produced new results.†Ekelof<br /> <br /> 'In this first paper Sept. 18 he explains the law determining the position of the magnetic needle in relation to the electric current and he also makes known his intended experiments with spiral of helical wires which he predicts will acquire and retain the properties of magnets so long as the electrical current flows through them He constructed his spirals and helices and to the astonishment of all he produced magnets formed only of spools of copper wire traversed by electric currents.' Mottelay<br /> <br /> The Honeyman sale #82 notes that the paper offered here is "The first appearance of the first of a series of important papers reporting Ampere's discoveries on the electric current." Honeyman also had #83 the first separate appearance of these journal articles published as "Memoires sur l'Action mutuelle de deux courans electriques." which we believe had additional information not present in this journal appearance and hence is not a traditional "offprint" but a later state of the work. Norman notes that Ampere developed the science of electrodynamics over the next seven years publishing in a "bewildering array of journal articles offprints and revisions of earlier works.further noting some 'reprints' of Ampere's articles appear in as many as five different versions."<br /> <br /> This is an opportunity to own the original first printed appearance of Ampere's fundamentally important work in Electrodynamics. It would be an interesting collection to build the variations of Ampere's work over those seven years to see how his thought evolved. As far as we are aware there is no standard bibliographic reference for Ampere's work.<br /> <br /> LITERATURE<br /> Dibner Heralds of Science 62 first separate edition<br /> Honeyman Sale 82 original journal appearance<br /> Mottelay Bibliographical History of Electricity and Magnetism p. 472<br /> Norman 43 first separate edition. <br /> Ekelof Catalogue of Books and Papers in Electricity and Magnetism pp 284-286<br /> Sparrow Milestones of Science p33 first separate edition. Chez Crochard unknown
18202667Paris: Crochard 1820. First edition. Half-calf. Very Good. THE ORIGINS OF ELECTROMAGNETISM. AMPÈRE'S FIRST DISCUSSION OF THE RELATIONSHIP BETWEEN ELECTRIC CURRENT-FLOW AND MAGNETISM. Ampère often worked by publishing his ideas chiefly in Annales de chimie et de physiques at times as much as once a week. When he had further thoughts on the topic he would publish revisions. The "first great memoir on electrodynamics" the present paper is the seed of what would become a series of papers "establishing the laws of forces acting between conductors carrying current" DSB p. 144; Dibner Heralds 62. In this - the first appearance of Ampère's discussion of electric current-flow as it relates to magnetism - Ampère effectively establishes a new field of science and paves the way for developments in electrodynamics.<br /> <br /> In this volume the original periodical publication Ampère's discussion begins on pp. 59-76 and continues on pp. 170-218.<br /> <br /> AMPÈRE ANDRÉ MARIE. "Mémoire . De l'Action mutuelle de deux courans électriques". IN: Annales de chimie et de physiques vol. 15. Paris: Crochard 1820. pp. 59-76 170-218. Octavo later three quarter calf over early boards. 448 pp. 5 full-page plates by Adam Sculp including one fold-out plate. Some toning to extreme edge of text very occasional light spotting otherwise fine.<br /> <br /> References:<br /> <br /> DSB: L. Pearce Williams "Ampère André-Marie" Dictionary of Scientific Biography 16 vols. New York: Scribner's 1980 I: Pierre Abailard-L.S. Berg pp. 139-147<br /> <br /> Dibner Bern Heralds of Science New York: Burndy Library and The Smithsonian Institute 1980<br /> <br /> Norman Jeremy M. and Diana H. Hook The Haskell F. Norman Library of Science and Medicine San Francisco: Jeremy Norman 1991. Crochard unknown
182548082Paris, Crochard, 1825. 8vo. Bound in 2 uniform later hcloth. Gilt lettering to spines. In: ""Annales de Chimie et de Physique, Par MM. Gay-Lussac et Arago."", tome 29 a. 30. - 448 pp. and 3 folded engraved plates + 448 pp. and 2 folded engraved plates. (The entire volumes offered). Ampère's papers: pp. 381-404 (tome 29) + Suite pp. 29-41 (tome 30) + ""Lettre à Gerhardi"": pp. 373-381 (tome 29). Some scattered brownspots.
182548082Paris Crochard 1825. 8vo. Bound in 2 uniform later hcloth. Gilt lettering to spines. In: "Annales de Chimie et de Physique Par MM. Gay-Lussac et Arago." tome 29 a. 30. - 448 pp. and 3 folded engraved plates 448 pp. and 2 folded engraved plates. The entire volumes offered. Ampère's papers: pp. 381-404 tome 29 Suite pp. 29-41 tome 30 "Lettre à Gerhardi": pp. 373-381 tome 29. Some scattered brownspots. <br/><br/><em>First appearance of this famous memoir in which Ampère presented his collected results on electrodynamics to the French Academy creating the foundation of 19th century developments in electricity and magnetism. In the words of James Clark Maxwell "We can scarcely believe that Ampère really discovered the law of action by means of the experiments which he describes. We are led to suspect what indeed he tells us himself that he discovered the law by some process which he has not shown us and that when he had afterwards built up a pefect demonstration he removed all traces of the scaffolding by which he raised it."The offered memoir was published BEFORE the famous "Theorie mathématique des phénomènes électro-dynamiques uniquement déduite de L'expérience" which did not appear until 1827. That 1827-Memoire incorporates together with a new presentation of Ampère's results from 1820 1822 1823 the offered memoir 1825. Horblit: 100 - Dibner: 62."From 1814 until 1820 Ampére did not perform the kind of research that would have made it into the annals of the histrory of science but on September 11 1820 when he heard Francois Arago speak about Oersted's work he got fresh inspiration and started the work that made him famous. Arago related how Oersted had found that a steady electric current influences the orientation of a compass needle. After a weak Ampère had determined experimentally that that two straight parallel and current-carrying wires execute a force on each other. The magnitude of the force is inversely proportional to the distance between the wires and proportional to the strenghts of the current. During the following years he continued his researches both experimentally and theoretically. he built an instrument for measuring electricity that later was developed into the galvanometer. Finally in 1825 he presented his collected results to the Academy IN ONE OF THE MOST CELEBRATED MEMOIRS IN THE HISTORY OF NATURAL PHILOSOPHY The paper offered." Citizen's Compendium p. 2. - Norman No 47.The volumes contain many other notable papers by: Wöhler Fresnel Marcet Berzelius Felix Savart De la Rive Braconnet Boussingault Magnus Poncelet Vaugelin Poisson Gay-Lussac Faraday Laplace etc. </em> hardcover
182041350Paris, Crochard, 1820. 8vo. Without wrappers, as extracted from ""Annales de Chimie et de Physique"", Volume 15, pp. 59-76 and pp.170-218. Five engraved plates accompanying the memoires showing the experimental equipments. Half-title and title-page to volume 15 present.
