‎Facts in reference to the Spark, &c from along conductor uniting the poles of a Galvanic Battery.‎

‎Philadelphia, Fraklin Institute, 1835. 8vo. Later full green cloth. Tome-and titlelabels in leather with gilt lettering on spine. In: ""Journal of the Franklin Institute of the State of Pennsylvania... Edited by Thomas P. Jones"", Vol. XV. New series. Engraved frontisp. (2),446 pp., 2 folded engraved plates and 2 folded engraved maps. (Entire volume offered). Henry's announcement: pp. 169-70. A stamp to verso of frontispiece (Library of Congress duplicate stamp).‎

‎First printing of this importent paper, the first to describe in detail how the phenomena of Self-Induction was discovered. Henry discovered the induction phenomena - how an electric current in one coil may set up a current in the other through the development of the magnetic field - independently of Faraday, but Faraday was first to publish on electromagnetic induction. Henry's experiments with induction led him to his importent discovery of SELF-INDUCTION, which is the phenomenon in which a change in electric current in a coil produces an induced emf in the coil itself. This phenomenon was also discovered inependently by Faraday, but this time Henry had published first. The basic unit of inductance was to be called ""the Henry"". Relevant to the controversy between Faraday and Henry is the following statement by A D Bache, Secretary of the American Philosophical Society introducing an abstract of Henry in J Franklyn Inst. 1835 pp. 169-70 (H. Norman 1053 and the paper offerd): ""A memoir on this subject has been since submitted to the Society, containing an extension of the subject, the primary fact in relation to which was observed by Professor Henry as early as 1832, and announced by him in the American Journal of Science. Mr. Faraday having recently entered upon a similar train of observations, the immediate publication of the accompanying is important, that the prior claims of our fellow countryman may not be overlooked.""(Spark Museum).Magee ""Source Book in Physics"", p. 515. ‎

‎On the Influence of a Spiral Conductor in increasing the Intensity of Electricity from a Galvanic Arrangement of a Single Pair, &c.‎

‎(London, Richard and John E. Taylor, 1837). No wrappers. Extracted fron ""Scientific Memoirs, selected from The Transactions of Foreign Academies of Science and Learned Societies. Edited by Richard Taylor."", Vol. I. Pp. 540-547.‎

‎Henry's milestone paper announcing his discovery of electrical self-induction. ""Henry independently discovered electro-magnetic induction and in this paper announced his discovery of electric self-induction, one of the prime properies of an electro-magnetic circuit. Henry was an eminent experimenter but was casual in publishing his findings with resulting lack of recognition of his contributions.""(Bern Dibner).Dibner ""Heralds of Sciece"", No.63.It was also printed the same year in ""Transactions of the American Philosophical Society, New Series, Vol. 5"". The paper was later printed in ""Philosophical Magazine"", 1840.""The direction of Henry’s thought became somewhat apparent in his 1835 paper (refers to the papers reading before the American Phil. Soc., febr. 6th, 1835) on the action of a spiral conductor in increasing the intensity of galvanic currents. The paper started out as an affirmation of Henry’s priority in the discovery of self-induction. He then combined induction proper (using Faraday’s findings and his own) with selfinduction to show how these produce a pattern of repulsions yielding an increased effect in spirals. He specifically linked these “magneto-electrical” results to the principles of static induction developed by Cavendish and Poisson. This explanation was then applied to Savary’s report of changes of polarity when magnetic needles were placed at varying distances from a wire in which a current was being transmitted (""Mémoire sur l’aimantation,"" in Annales de chimie et de physique, 34 [1827],. That is, currents appeared periodically in the air surrounding a current-bearing straight wire as a result of the actions of induction and self-induction."" (DSB).Wheeler Gift: 2724-2725a.‎

‎Ueber elektro-dynamische Induction.‎

‎(Leipzig, Johann Ambrosius Barth, 1842). Without wrappers. In ""Annalen der Physik und Chemie. Hrsg. von J.C. Poggendorff"", Ergänzungsband 1, Stück 2. Pp. 193-384 a. 1 folded engraved plate. (The entire issue offered). Henry's paper: pp. 282-312.‎

‎First German version of Henry's description of his discovery of self-induction. He missed the credit for the discovery of induction to Faraday, but he had done the key experiment ahead of Faraday, but Faraday was the first to publish. But he is credited for the discovery of self-induction (1832) and Faraday discovered it independently two years later (1834).""In Henry's paper, however, he explained thet the electric current in a coil can induce another current not only in another coil but in itself. The actual current observed in the coil is, then, the combination of the original current and the induced current. This is called self induction.""(Isac Asimov).The issue contains further notable papers Michael Faraday's ""Vierzehnte Reihe von Experimental-Untersuchungen über Elektricität"", 2o-22. (Nos 1667-1748). Pp. 249-281. First German version. In this paper FARADAYamplifies his theory of electrostatic induction by making further use of the analogy with the induction of magnetism. Whittaker describes the paper as having ""THE FUNDAMENTAL EQUATION OF ELECTROSTATICS"", as modified in order to take into account the effect of the specific inductive capacity.""(Whittaker I, pp.187-89).‎

‎Le continent blanc ‎

‎histoire et description de l'Antarctide, traduction de l’anglais et chapitre annexe par R. JOUAN.In 8 broché, couverture illustrée titre,243 pages,10 pages de catalogue une carte du pôle sud Payot 1952, bibliothèque géographique très bon état ‎

‎Nouveau dictionnaire des plantes médicinales‎

‎in 12 pleine toile verte d’éditeur,titre doré au dos et sur le premier plat,filets noir en encadrement.Faux-titre, titre,XII,621 page,non rogné.Deuxième édition revue et augmentée avec 273 figures intercalées dans le texte.J.B Baillière & fils 1884,reliure légèrement frottée quelques traces de manipulations en fin de volume tamons de bibliothèque ‎

‎On the Action of the Rays of the Solar Spectrum on Vegetable Colours, and on some new Photographic Processes. Received June 15, - Read June 16, 1842.‎

‎(London, Richard and John E., Taylor, 1842.). 4to. No wrappers as extracted from ""Philosophical Transactions"" 1842 - Part II. Pp. 181-214 and one double-page folded engraved plate.‎

‎First appearance of a pioneer-paper in the history of early photography in which Herschel announced some of his importent discoveries of the photographic printing processes, the process of photographic contact-printing in Prussian blue, brought to light just three years after Louis Daguerre and Henry Talbot had announced their independent inventions of photography in silver, using metal and paper substrates, respectively. and the photographic properties of red ferro sesquicyanuret of potassium.""This is the first recorded observation of Prussian blue being formed for a photographic purpose by the action of light on potassium ferricyanide, so it represents the moment of discovery of the first cyanotype process, although this name still lay in the future. The significance of this observation impressed Herschel sufficiently to mention it also in his general diary entry for 23 April 1842....""(Mike Ware in ""John Herschel's Cyanotype. Invention or discovery ?"").‎

‎On certain Improvements on Photographic Processes described in a former Communication, and on the Parathermic Rays of the Solar Spectrum. Received November 17, - Read November 17, 1842.‎

‎(London, Richard and John E., Taylor, 1843. 4to. No wrappers as extracted from ""Philosophical Transactions"" 1843 - Part I. Pp. 1-6.‎

‎First appearance of a pioneer-paper in the history of early photography, as Herschel here for the first time describes his discovery of the iron printing process with ammonio-citrate of iron by both methods, namely with blue lines on a white background and white lines on a blue ground.‎

‎Untersuchungen über die wärmende und die erleuchtende Kraft der farbigen Sonnenstrahlen Versuch über die nichht-sichbaren Strahlen der Sonne und deren Brechbarkeit" und Einrichtung grosser Teleskope zu Sonnenbeobachtungen.‎

‎Halle, Rengerschen Buchhandlung, 1801. Without wrappers as published in ""Annalen der Physik. Herausgegeben von Ludwig Wilhelm Gilbert"", Bd. 7, Zweites Stück. The entire issue offered (=Heft 2). Pp. 137-264 a. 2 folded engraved plates. Herschels papers: pp. 137-156. The plate depicts Herschel's experimental arrangements.‎

‎First appearance in German of Herschel's epochal announcement of his discovery of infrared light in 1800. This was the first time that a form of light beyond visible light had been detected. The paper offered is the German translation of the main parts of Herschel's paper ""An Investigation of the Powers of Prismatic Colours to Heat and Illuminate Objects"".""In 1800 he tested various portions of the sun's spectrum by thermometer to see if he could find interesting differences in the amount of heat the different colors delivered. He did, but in a rather unexpected way, for he found that the temperature rise was highest in no color at all, at a spot beyond the red end of the spectrum. He concluded that the sunlight contained invisible light beyond the red. This is now called infrared radiation. The following year Ritter was to extend the visible spectrum in the other direction.""(Asimov).Parkinson ""Breakthroughs"" 1800 P.‎

‎LA France AU TRAVAIL.‎

‎HERUBEL Marcel- En suivant les côtes de DUNKERQUE à SAINT NAZAIRE. In 8 broché, couverture illustrée en couleurs, faux-titre, titre XX, 284 pages, illustrations photos hors-texte. Pierre ROGER & Cie éditeurs Rousseurs, plus concentrées à certaines pages. CAMBON Victor. Lyon, Saint Etienne, Grenoble, Dijon. Faux-titre, titre, illustrations photos hors-texte, 1 carte dépliante. (carte des grandes usines hydrauliques dans les Alpes françaises ;) Rousseurs, principalement en début et fin de volume. Pierre ROGER & Cie éditeur Les deux volumes‎

6 Images

‎En Normandie de la Dives au Mont Saint-Michel ‎

‎in 8 demi-chagrin marron foncé à 4 nerfs et à coins,titre fers,roulette dorés,filet à froid sur les plats.Titre, cartes montée sur onglet,186 pages non rogné,194 héliogravures pleine page et dans le texte,B Arthaud 1937 couverture en couleurs de Louis GARIN conservée.un des exemplaires numérotés sur Hollande B.F.K de rives au filigrane de la collection,n°28/150 seul grand papier. Rousseurs éparse,plus fortes en début et fin de volume, bien relié ‎

‎Von Kongo zum Niger und Nil.‎

‎Berichte der deutschen Zentralafrica=Expedition 1910/1911. Mit 512 buten und einfarbigen Abbildungen nach Photographien und Zeichnugen, sowie mit 6 karten. Esther Band. Leipzig, F. A. Brocklaus, 1914. 2 volumes grands in-8 (23,5x4x16cm) pleine toile bordeaux, plats supérieurs imprimé en blanc et ornés de vignettes en couleurs, dos lisses imprimés et un peu passés. X,324pp. + X,398pp. ‎

16 Images

‎Nouvelle édition de ce livre sur le Congo, le Niger et le Nil, édité pour la première fois en 1912. Bon état, complet des 2 cartes repliées en fin de volume et des types en couleurs. ‎

‎Un nouveau baobab et révision du genre Adansonia‎

‎ 1908 A Genève, Atar, S. A., éditeur - Extrait de l'Annuaire du conservatoire et du jardin botaniques de Genève, 11ème et 12ème années, 1907-1908 - 1908 - In-8, broché - 8 p. - 2 planches hors texte en fin d'ouvrage‎

‎Bon état - Tampon et inscription à l'encre sur la 1ère de couverture ‎

‎Des voix dans la casbah‎

‎ENAL 1986 129 pages in8. 1986. broché. 129 pages. Pièce de théâtre algérienne militante qui dépeint un conflit atroce et sans illusion où le massacre ne cesse qu'avec la victoire de la Révolution. Elle évoque le peuple sortant de son mutisme rageur après avoir été bâillonné‎

‎Bon état petite tâche sur les tranches bel état intérieur‎

‎Le grand guide du Sud-Ouest Américain. Bibliothèque du voyageur.‎

‎Paris, Gallimard, 1989. 15 x 22, 297 pp., nombreuses illustrations et cartes en couleurs, broché, très bon état.‎

‎Le grand guide de l'Ecosse. Bibliothèque du voyageur.‎

‎Paris, Gallimard, 1990. 15 x 22, 318 pp., nombreuses illustrations et cartes en couleurs, broché, bon état.‎

‎Le grand guide d'Irlande. Bibliothèque du voyageur.‎

‎Paris, Gallimard, 1988. 15 x 22, 323 pp., nombreuses illustrations et cartes en couleurs, broché, bon état.‎

‎Johannes Kepler et les origines philosophiques de la physique moderne D 78‎

‎ 1967 Paris Université de Paris Palais de la découverte 1961 Un volume in°12 broché 26 pages LR30‎

‎ Très bon état bord de la couv un peu frottée N'hésitez pas à nous mettre dans vos favoris. Vous serez ainsi tenu au courant de nos nouveautés ‎

‎La Passion Du Football‎

‎Editions Gallimard 2000 21 8x1x28 4cm. 2000. Relié.‎

‎Bon état‎

‎Christophe Colomb (1447-1506). Collection : Petite bibliothèque Payot/Documents, N°93.‎

‎Paris, Payot, 1992. 13 x 19, 336 pp., broché, très bon état.‎

‎traduction de l'allemand par Eva Métraux.‎

‎Christophe Colomb (1447-1506). Bibliothèque historique.‎

‎Paris, Payot, 1935. 14 x 22, 334 pp., reliure carton, bon état.‎

‎"traduit par Eva Métraux; auteur : fondateur de la Société Bibliographique d'Allemagne."‎

‎Christophe Colomb (1447-1506). Bibliothèque historique.‎

‎Paris, Payot, 1935. 14 x 23, 334 pp., broché, bon état.‎

‎Traduit par Eva Métraux.‎

‎Les petits prodiges – Français 6e/5e: 11-12 ans‎

‎LIB DES ECOLES 2021 96 pages 17x21 9x0 8cm. 2021. Broché. 96 pages.‎

‎Très Bon Etat‎

‎Les petits prodiges – Français 6e/5e: 11-12 ans‎

‎LIB DES ECOLES 2021 96 pages 17x21 9x0 8cm. 2021. Broché. 96 pages.‎

‎Très bon état‎

‎Les petits prodiges – Français 6e/5e: 11-12 ans‎

‎LIB DES ECOLES 2021 96 pages 17x21 9x0 8cm. 2021. Broché. 96 pages.‎

‎Très bon état‎

‎Les petits prodiges – Français CM2/6e: 2021‎

‎LIB DES ECOLES 2021 96 pages 17 1x21 9x0 9cm. 2021. Broché. 96 pages.‎

‎Très bon état - légères marques de lecture et/ou de stockage mais du reste en très bon état- expédié soigneusement depuis la France‎