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(Paris, Gauthier-Villars), 1895. 4to. No wrappers. In: "Comptes Rendus Hebdomadaires des Séances de L'Academie des Sciences", Tome 121, No 27. Pp. (1105-) 1181. (Entire issue offered). Small nicks to right margins of the first 2 leaves. A small tear to right margins of leaves, not affecting the text. Perrin's paper: pp. 1130-1134, 2 textillustr. leaves fragile due to the paper quality. First appearance of this importent paper in which Perrin gives an account of the experiment by which he showed thet the cathode discharge carried negative electric charges with it. A similar experiment was soon afterward carried (1897) out by J.J. Thomson leading to his discovery of the electron and its properties."Jean Perrin publishes a paper... (the paper offerd), in which he describes an experiment supporting the speculations of William Crookes, Joseph John Thomsonm, and others that the cathode rays consist of negatively charged matter moving with considerably velocity." (Parkinson "Breakthroughs", 1895 P.).Magee "Source Book in Physics", p. 580 ff.

Helsingfors, F. Tilgmanns förlag, 1873. Lille folio-oblong. Originalt, rigt forgyldt, helshirtbd. Et par småskrammer og et hjørne lidt stødt, ellers meget velbevaret. Også med det farvetrykte titelblad. (4),VIII,(2),100 pp. samt 36 stålstukne prospekter fra Finland, alle med beskyttelsesblade. Indvendig ren og frisk, tekst såvel som plancherne.

New Haven, Hezekiah Howe & Co., 1835. Contemp. hcalf. Spine gilt and with gilt lettering. In "The American Journal of Science and Arts. Conducted by benjamin Silliman", Vol. 38 - July, 1835. VII,404 pp. (Entire volume offered). Dana's paper: pp. 250-262 and 1 engraved plate. A few marginal brownspots. Internally clean. First appearence of Dana' first paper on the classification of minerals which 2 years later became his great work "A System of Mineralogy" containing his famous and widely accepted classification system.Poggendorff I, 516.

Kopenhagen, Brummer, 1797. 8vo. In a modest contemporary half calf binding with gilt lettering to spine. Small paper-label pasted on to top of spine. Light wear to extremities, internally fine and clean. 135, (1) pp. Rare first edition of Johann Tode's early work on hypochondria. Not in Garrison & Morton.

Berlin, Mittler & Sohn, 1873. Original printed boards, clothbacked later. (2),II,129,(1) pp., 5 folded lithographed colourmaps. First edition.

Madras, The Theosophist Office, Benares and London, 1909. Orig. full cloth. Gilt lettering to spine. Frontispiece. XV,719 pp., many textillustr. and plates. 1 folded map. First English edition of this classic travel account of Tibet.

Leipzig, J. A. Barth, 1902. 8vo. Bound in contemporary half calf with five raised bands and gilt lettering to spine. In ""Annalen der Physik. Vierte Folge. Band 9.". Entire volume offered. First edition of Einstein's third paper in which he deals with the definitions of temperature and entropy for thermal equilibrium conditions and with the equipartition theorem.The volume contains 2 papers by Max Planck, originally published in "Jubelband für H.A. Lorentz" und Jubelband für J. Bosscha: "Ueber die von einem elliptisch schwingenden Ion emitterte und absorbierte Energie;" und "Ueber die Verteilung der Energie zwischen Aether und Materie;", pp. 619-628 und pp. 629-641.Weil, No 3.

Paris, G. Masson, 1887. 8vo. Contemp. hcalf, raised bands, gilt spine. Light wear along edges. Small stamps on verso of titlepage. In: "Annales de Chimie et de Physique", 6e Series - Tome 12. 576 pp. (Entire volume offered). Moissan's paper: pp. 472-537. Many textillustrations of apparatus in woodcut. First appearance of the paper in which Moissan describes his isolation and observation of the properties of fluorine gas and his succes in producing diamond with his pectacular arc method. Fo these achievements he was the first French to be awarded the Nobel Price in chemistry (1906).The existence of the element fluorine had been well known for many years, but all attempts to isolate it had failed and some experimenters had died in the attempt."Moissan eventually succeeded in preparing fluorine in 1886 by the electrolysis of a solution of potassium hydrogen difluoride (KHF2) in liquid hydrogen fluoride (HF). The mixture was needed because hydrogen fluoride is a non-conductor. The device was built with platinum/iridium electrodes in a platinum holder and the apparatus was cooled to -50 °C. The result was to completely isolate the hydrogen produced from the negative electrode from the fluorine produced at the positive one.This is essentially still the way fluorine is produced today." (Wikipedia).Partington IV, p. 912. - Weeks "Discovery of teh Elements", p. 272 ff. - Parkinson "Breakthroughs" 1885 C.

Paris, Chez Garnéry, (1790). 8vo. Bound uncut with broard margins in a nice later half calf with richly gilt spine. Engraved frontispiece depicting a man holder a speech (Discourse de la lantern aux Parisiens, le Procureur Général portant la parole.). First three leaves with a faint damp stain. A fine and clean copy. (5),71,(3),67,(5),45,(3),12 pp. Rare first edition of Desmoulins' collected works. As a journalist and politician Desmoulins played a central role in the French Revolution.LA FRANCE LIBRE had at first been rejected by the French publisher due to its radical content: "popular and democratic government is the only constitution which suits France, and all those who are worthy of the name of men". The storming of the Bastille and Desmoulins' personal and public involvement changed the situation and the pamphlet was quickly published."Camille Desmoulins's pamphlet La France libre, which appeared in July 1789, can be seen as 'the first truly republican manifesto of the revolutionary era'. (Hammersley, French revolutionaries and English republicans, 2005, p. 36). DISCOURS DE LA LANTERNE AUX PARISIENS celebrated political violence and praised the loyalty and patriotism of the citizens who made up the Parisian mob. Since this pamphlet was written from the perspective of the Place de Grève lamppost Desmoulins became known as the "Procureur-général de la lanterne" ("the Lanterne Prosecutor" or "Lanterne Attorney").Desmoulins was a close friend of Georges Danton, a leading figure in the early stages of the French Revolution. Together they were executed by the guillotine on the April 5, 1794 for their central role in the Revolution.

Leipzig, Siegfr. Lebr. Crusium, 1775. 4to. LII pp. A small stamp on titlpage. A few leaves slightly soiled, but a good copy. First edition. In this latin dissertation Basedow gives the philosophical foundation for his educational system together with the rules relating to the establishment of his institution, which he called "Philanthropin" and was established in 1774. He was one of the most influential German educational reformers, and his system of primary education intended to develop the intelligence of the pupils and to bring them, so far as possible, into contact with realities, not with mere words.From 1753-61 Basedow worked in Denmark as professor to the Academy in Sorø.

København, Poppske Bogtrykkeri, 1834-38. Lille 8vo. Indbundet i 3 senere velbevarede hldrbd. i brun oaseged. Her og der med nogle brunpletter. Originaltrykket af forfatterens samlede udgave af de mindre afhandlinger, som i mange tilfælde er trykt her for første gang.

Paris, 1927. 2 fine, full green morroco, uncut, top edge gilt, gilt borders a. gilt backs. Bound with all orig. wrappers. Papier de Rives No.883. Richly illustr.in colours. Salis created the Cabaret "Chat Noir", together with the concept 'cabaret'.

Amsterdam, Pissot, 1757. 4to. Bound in one contemp. full mottled calf. raised bands. Richly gilt spine. Titlelabel with gilt lettering. A paperlabel pasted on spine. Stamps on foot of title-page. (2),XXIV,231;(4),332,(4) pp. Internally clean.

Kjøbenhavn, Schultz, 1812-57. Indbundet i 6 samtidige hldrbd. Forgyldte rygtitler. Papirsetiketter pålimet rygge. Stempel på titelblade. ialt ca. 1700 pp.

Paris, L'Imprimerie Royale, 1757. 4to. Fine contemp. full calf. Raised bands. Richly gilt spine. Tome- and titlelabels with gilt lettering. Gilt borders on covers. Light wear to foot of spine. (8),320,628, pp., 25 partly folded engraved plates. Textleaves clean and fine. Some plates with a faint dampstain. With original papers by: Lietaud, le Gentil, Malouin, Cassini de thury, Guettard, le Francois de la Lande, de Lasône, le Monnier le Fils, Guettard, Boguer, Bourdelin, de l'isle, Baron, Hérissant, Geoffroy le Fils, de Thury, Bertin, Reaumur, Pingré, l'Abbé Nollet, le Roy, Maraldi, Morand, du Hamel, Buache, de Fouchy, Montet.

London, Roayl Society, 1926. Royal 8vo. Full cloth. Gilt lettering to spine. In: "Proceedings of the Royal Society". Series A, Vol. 111. V,753,LIII pp., textillustr. and plates. (Entire volume offered). First appearance of these papers constituting Dirac's own theory of quantum mechanics."Dirac wanted to establish an algebra for quantum variables, or, as he now termed them, q-numbers... He wanted his q-number algebra to be a general and purely mathematical theory that could then be applied to problem of physics. Although it soon turned out that q-number algebra was equivalent to matrix mechanics, in 1926 Dirac's theory was developed as an original alternative to both wave mechanics and matric mechanics. It was very much Dirac's own theory, and he stuck to it without paying much attention to what went on inmatrix mechanics... In the summer of 1926, Dirac published a new and very general version of q-number algebra, this timepresented as a purely mathematical theory. In this paper (offered here) he did not refer to physics at all... The work had little impact on the physics community but seems to have been appreciated by those who cultivated the mathematical aspects of quantum physics. Most of the results obtained by Dirac in his paper "The Elimination of the Nodes in Quantum Mechanics" had been found earlier by the German theorists using a method of matric mechanics, but Dirac was able to improve on some of the results and deduce them from his own system of quantum mechanics."(Helge Kragh).

Halle, Anton und Gelbcke, 1831-32. 2 contemp. hcalf. Gilt spines. Slightly rubbed. In: "Neues Jahrbuch er Chemie und Physik. Herausgegeben von W. Schweigger-Seidel", Bd. 3 und 4. XVIII,488 pp. a. 1 engr.plate + XVIII,468 pp. a. 1 engr. plate. (Entire volumes offered). Ohm's papers: pp. 1-26, 159-189, 384-436 (1831) + pp. 20-37, 138-158, 257-283 (1832). First appeareance of two importent papers in the history of electricity in which Ohm further investigates the consequences of his own law "Ohms Law" which he discovered in 1827, comparing hydroelectric currents with other types of electric currents.

München, Karl Thienemann, 1820-21. 3 contemp. hcalf. Titlelabels with gilt lettering. A paperlabel taped to lower part of spines. Stamp on title-pages. In all ca. 1300 pp. (9 titlepages, each part with own pagination). 5 folded tables, 5 engraved plates, folding. A few scattered brownspots.

Tokyo, ca. 1883). (24,5 x 16,5 cm.). Original wrappers. Sewn. Upper wrapper loose. Having 53 pages with 10 leaves of japanese text (incl. inside covers) and depicting 29 different birds on 43 pages of folded leaves. Single page plates and plates that span two adjoined plates in woodblock print in colour.

Cont. full calf. Back worn and upper 3 cm. of back gone. Hinges slightly loosening. XII,288 pp. and 12 engraved plates (some double-numbered). Some browning ti leaves throughout. First American edition of a major work by Davy, summarizing his previous investigations, and beeing one of the earliest treatises on physical chemistry. Published the same year as the London-edition.

Prag, F. Tempsky, 1878-88. Lex8vo. Bound in 2 full cloth. XXXVI,554;XXXVIII,435;(6),646;XV,266 pp. Clean and fine. The original printing. "Der Rigveda oder die heiligen Hymnen der Brâhmana" volume 3,4,5, a. 6 (Sechster (Schluss-) Band).

London, Taylor and Francis, 1852. 8vo. Without wrappers. In: "Scientific Memoirs, selected from Transactions of Foreign Academies of Science... Edited by Richard Taylor.", Vol. V, Part XVIII. With titlepage to Vol. V. Pp. (151-) 352 (entire part offered). Fresnel's paper: pp. 238-333. Clean and fine. Titlepage with a small faint stamp. First appearance in English of Fresnel's famous memoir - the memoir of 1827, his so-called second memoir - in which some of his groundbreaking discoveries concerning light is stated. He applies the concept of transverse waves to double refraction and representing the final construction, in the form of an equation of the fourth degree.In the paper Fresnel also explained the fact,that in some cases of quartz the rotation of polarization is from left to right and in other cases from right to left.. He proposed the term 'helical' to denote the property of rotating the plane of polarization, exhibited by such bodies as quartz. The term 'natural rotatory polarisation' is however, generally used.This memoir contains the first printing of three unpublished memoirs from 1821 and 1822 (Mémoire sur la double refraction.Extrait Read 26. Nov., 1821 - Supplement, presented 22 January 1822 - Second Supplement, presented April 1, 1822. - Explication de la réfraction dans le système des Ondes from "Bulletin Soc. Philom.", 1821. See Jed. Z. Buchwald "The Rise of the Wave Theory of Light", pp. 461-63.

Folio. Uncut, loose as issued in publisher's clothbox. No 94 of 200. With 33 original lithographs by Piaubert.

Wien, Ingenieurs=Akademie, 1820-30. 4to. and folio. Bound in three uniform contemp. hcalf. Gilt spines with gilt lettering. A paperlabel pasted on spines. Corners slightly bumped. Stamp on title-pages. (4),352,(4);(4),172 pp. Atlas-volume with 39 engraved plates in double-folio (I-XXVII + I-XII). A few leaves and a few plates with light yellowing.

Paris, Dunod, 1867. Folio-oblong. (38,5 x 56 cm.). Contemp. hcalf. Titlelabel with gilt lettering on upper board. Spine rubbed. Original printed wrappers. Containing 6 engraved or lithographed plates. No 1 shows a large collection of mining-tools for stone carving and polishing. No 2 shows different pits, quarries from where the stones are extracted. No 3 depits 12 specimens, handcoloured or in chromolithography, of different kinds of stones (Pierres dures), granites, porphyrs etc. No 4. 12 specimens, handcoloured or in chromolithography, of different kinds of marble (Marbres simples). No 5. 12 specimens, handcoloured or in chromolithography of marble with intrusions (Marbres brèches et brocatelles). No 6. 12 specimens, handcoloured or in chromolithography of composed marble (Mabres composés et lumachelles). This volume is the first two parts (Livraison 1 et 2) of Sganzin - Reibel's "Programme ou Résumé des Lecons d'un Cours de Construction, avec des Applications tirées spécialement de l'Art de l'Ingenieur des Ponts et Chaussées. Cinquieme Édition, entirement refondue par Leon Lalanne." The fifth edition seems to be the first containing these plates with materials added by Léon Lalanne.