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Halle, Gebauer, 1782. Contemp. full calf. Raised bands. Richly gilt compartments. With king Christian 7's stamped monogram in gold on red background on upper cover. stamp on title-page. XXII,456,(2) pp., 8 folded engraved plates. Fine and clean.

Washington, George W. Bowman, 1861. 4to. Contemp. full solid calf. Some scratches, som spots to covers. Stamps on printed title-page. Lithographed title in colou and printed title-page. XXIV,277 pp. Profusely textillustrated, and profusely illustrated with large folded maps, lithographed plates, lithographed plates in colour. Textleaves with scattered brownspots and occassionally some foxing. A few maps with closed tears, some strenghtened on verso. Published as 36th Congress, 2d Session - House of Representatives. - Ex. Doc.

Amsterdam, David Mortier, 1756-57. Small 8vo. 3 contemporary full mottled calf. Richly gilt spines. Gilt borders on covers. Tome- and titlelabels with gilt lettering. Stamp on title-pages. (4),270;(4),243;(4),412 pp. and 14 large folded engraved maps and plans. Fine and clean, printed on good paper.

Braunschweig & Leipzig, Oehme & Müller, (1833), 1834, 1835. 4to. Bound in a beautiful contemp. full cloth, richly gilt spine and covers. The decoration of gilded stamps have a gilded crown, both on spine and on covers. Edges patterned in gold. 3 lithographed titlepages. (1),96;(1),96;(1),96 pp. and 24 + 22 + 23 fine lithographed plates, among these a large folded lithographed view of St. Petersburg (26,5x42 cm.). Textleaves with scattered brownspots. Plates fine.

Zürich & Kopenhagen, Friedrich Schulthess & C. A. Reitzel, 1858-1863. 8vo. Indbundet i to samtidige papbind med forgyldte rygtiteletiketter og stregforgyldning på rygge. Kapitæler og ydre false med en smule slid. Hjørner stødte. Exlibris på indersiden er forpermer. Særdeles rent eksemplar. XIV, 469; X, 400, (1: errata). Særdeles nydeligt eksemplar af originaludgaven af Baggesens posthumt udgivne filosofiske skrifter. Eksemplaret har tilhørt K. F. Plesner, forfatter til Baggesen-bibliografien, og bærer hans exlibris. Plesner, 182.

Berlin, Gruyter & Co., 1923. 4to. Orig. orange printed wrappers. Offprint/Sonderabdruck aus Sitzungsberichten...pp. 32-38. Fine fresh copy. First edition in the rare Offprint, stilled called "Abdruck". Weil No. 131.The early Offprints from "Sitzungsberichten..." are called "Sonderabdruck" up to Weil No.165 (including this). From Weil 166 they are called "Sonderausgabe...". - Before 161 (up to 160) the Offprints do not have separate title and pagination (the pagination follows the numbering in the periodical). From 166 the Offprint has both separate printed title and pagination. - ( So Weil Nos 161-165 is still "Abdruck", but with separate title and pagination). These facts are not mentioned in the bibliographies.

Bound uncut with all orig. wrappers in full calf, gilt back, richly gilt covers (René Kieffer). no 307 of 1050 "sur vélin de Rives", a total of 1150 copies.

Paris, Charles-Lavauzelle, (1899) 3 contemp. hcalf. Gilt spines. Gilt lettering. Stamp on title-pages. Ca. 2000 pp., many folded maps/plans.

Bln., 1826. Nice cont.hcalf. Richly gilt spine. Titlelabel with gilt lettering. Stamps on title-page. VIII,984 pp. and 7 fold.engr.plts.

Weimar, Landes=Industrie=Comptoirs, 1811. 2 contemp. hcalf. Gilt spines, title-and tomelabels with gilt lettering. Wear to top of spine on vol. 1. X,622;(6),690 pp. The map of "Rothen Meere" lacks, the engarver was ill at the publication date, and it should be delivered later, announced at end of vol. 2. First German edition. (Bibliothek der neuesten und wichtigsten Reisebeschreibungen...hrsg. von M.C. Sprengel, fortgesetzt von T.F. Ehrmann, 44. u. 45. Bd.). Also having the series titlepages, these with a stamp.

Oxford, Clarendon Press, 1926. 4to. Uncut in orig. full cloth. Spine gilt. LXXV,351 pp. 6 facsimiles.

Copenhagen, 1938. 4to. Bound with the original printed frontwrapper in a fine solid hmorocco, blindtooled compartments, gilt bordwers and gilt lettering to spine.. XVIII,251 pp., frontisp. and 12 plates. The 5 last leaves with faint creasing.

Paris, Fortin, Masson et Cie, 1840. Contemp. hcloth. Gilt lettering to spine. In "Annales de Chimie et de Physique", 2me Series - Tome 75. 447,(1) pp. a. 1 plate. (Entire volume offered). Hess's paper: pp. 80-103. The first and last leaves somewhat brownspotted. First edition in French of Hess' first fundamental law in thermodynamic: "the law of heat formation" (1840), anticipating a specific example of the "LAW OF THE CONSERVATION OF ENERGY", 2 years before Julius Robert Mayer elucidated the more general principle in 1842 - claiming that "the heat developed in chemical change is constant, whether the change occurs directly or indirectly in several stages"Germain Henri Hess is noted today for two fundamental principles of thermochemistry: the law of constant summation of heat (known simply as Hess's law) and the law of thermoneutrality. These discoveries were remarkable in that they were postulated without any supporting theoretical framework and took place in a field of study almost totally neglected by his contemporaries. Hess's law is of immense practical importance and is used to this day to determine heats of reaction when their direct measurements are difficult or impossible. (Chemistry Encyclopedia)."Numerous men, notably Lavoisier and Laplace had measured the heats evolved in various reactions, but thermochemistry received its first importent advance at the hands ofgermain Henri Hess, who showed that the heat evolved in a reaction is the same regardless of whether the reaction is carried out directly or in a number of steps. This generalization, known now as "Hess's Law", makes possible the calculation of heats for many reactions where direct measurement are impracticable."(Leicester & Klickstein, A Source Book..., p329."The thermochemical work of Hess was continued extensively in the second half of the nineteenth century through the studies of Thomsen and Berthelot. Both Berthelot’s principle of maximum work and the thermodynamic theories of affinity which came to prevail were clearly foreshadowed in the work of Hess. In addition to his internationally known research in thermochemistry, Hess was very influential in the development of chemistry in Russia. His text Osnovania chistoy khimii (Fundamentals of Pure Chemistry) went through seven editions and did much to establish the chemical nomenclature of the Russian language. He was always interested in technological questions, and many of his students later contributed to Russia’s industrial development." (DSB).Parkinson "Breakthroughs", 1840 C. - Leicester & Klickstein, A Source Book, p 329.

(London, Taylor and Francis, 1866 a. 1877. 4to. No wrappers as extracted from "Philosophical Transactions", Vol. 156 - Part II a. vol. 167 - Part I. Pp. 781-859 a. pp. 35-116. Clean and fine. First appearance of both papers, controversial as Brodie here tries to established a new chemical philosophy, refusing atomism and founding the calculation of chemical processes on Boolean Algebra, defining chemical symbols with mathematical terms and notations. The work is a remarkable attempt to set chemistry on a rational deductive basis. - The introduction in the second paper meets the main points raised by his critics."In 1866 the Royal Society began to publish Brodie’s "The Calculus of Chemical Operations" (Philosophical Transactions, 156 [1866], 781-859; 167 [1877], 35-116) which introduced Greek symbols for the chemical elements to replace the roman alphabet (Berzelian) symbols that contemporary chemists used to represent atomic weights. Brodie’s symbols, however, represented operations on space (volumes), not weights for, besides its revolutionary symbolism, the calculus also demanded an appreciation of George Boole’s algebraic logic, which Brodie had studied after the publication of Boole’s Investigation of the Laws of Thought in 1854. In this an equation such as y = xy is a symbolic statement that y is a subset of x in which the symbol x is an operator on y. Although professional mathematicians like William Donkin and Henry Smith later advised Brodie, it appears that he developed the system without professional help. The principal difficulty about the calculus for the present-day historian and philosopher of science is the need to explain it before going on to discuss it and the difficulty of giving any concise description of it. Boole had developed the concept of symbolic operators in algebraic analysis. These provided a code as to how the symbols were to be understood and manipulated. Brodie exploited this in the idea of a chemical operator, or chemical operations, that he symbolized by Greek letters. It is probably unwise, therefore, to interpret Brodie’s philosophy as analogous to Percy Bridgman’s later operationism. He proposed that if two substances with the empirically-derived weights, x and y combined to form a new compound with weight xy, then x + y = xy. From such weight equations he constructed a symbolic algebra that bypassed any atomistic interpretation."(William H. Brock in "Hyle Biography").

(London, Richard Taylor and William Francis, 1858 a. 1859.). 4to. No wrappers as extracted from "Philosophical Transactions", Vol. 148 - Part I and Vol. 149 - Part I. Pp. 1-16, textillustr. and 1 lithographed plate with 12 figures of induction coils, apparatus, tubes and striae. A few minor brownspots to plate. First leaf a bit shaved in inner margin, no loss. + Pp. 137-160, textfigs and 1 lithographed plate showing apparatus and tubes. First appearance of this importent paper in the development of early televison."Faradays discovery in 1838 of the negative dark space had revived intyerest in the glow discharge caused by conduction of electricity through gases at low pressure, but Gassiot's interest in this discharge was directly stimulated by W.R. Grove's almost incidental report in 1852 that the discharge was "striated by transverse non-luminous bands..." In his initial investigations showed that if enough care were exercised to achieve a sufficiently low pressure, situations could be produced in the Torricellian vacuum. Next he demonstrated that both a static electric machine and a Ruhmkorff coil with a Grove cell produced a striated discharge. This once again confirmed the identity of these two electricities. He also noticed that a powerfull elexctromagnet divided the striations into what appeared to be two distinct columns. The paper in which Gassiot announced these discoveries (the first paper offered) was honoured as the Royal Society's Bakerian lecture for 1858."(DSB V, p. 292).(Shiers & Shiers "Early Televison. A Bibliography to 1940", No. 25 & 29)

Leipzig, Brockhaus, 1882. Contemp. hcalf. Gilt spine. Gilt lettering. Stamp on title-page. XII,608 pp., textillustrations, 5 large folded maps/plans.

Paris, Gauthier-Villars, 1902. 4to. No wrappers. In: "Comptes Rendus hebdomadaires des Séances de L'Academie des Sciences", tome 134, No 2. Pp. (69-) 132. With titlepage to volume 134. (Entire issue offered). The Curie's paper: pp. 85-87. A stamp to titlepage. Sewing loosening. First appearance of an importent paper on the radioactive elements, in which Pierre and Marie Curie were the first to show, that the radioactive emissions from uranium and thorium was an INTRINSIC PROPERTY OF THEIR ATOMS.

(Halle, Rengerschen Buchhandlung, 1799). Without wrappers. In "Annalen der Physik. Herausgegeben von Ludwig Wilhelm Gilbert", Bd. 1 Viertes Stück und Bd. 2, Drittes Stück. (The entire issues offered). Pp. 379-518 a. 2 folded engravd plates + pp. 249-368 a. 2 folded engraved plates. Rumford's papers: pp. 436-463 a. pp. 249-286. First German editions of Rumford's central essays on heat flows in liquids, describing his DISCOVERY OF THE CONVECTION OF HEAT and his experiments that led to his theory of the CONVECTION CURRENTS IN THE OCEAN. The papers appeared originally in the Philosophical Transactions in 1798.

Kiøbenhavn, 1790, Poulsens Forlag, 1790. 8vo. In contemporary half calf with four raise bands. "Den Classenske bogsaml paa Corselitze" (i.e. "Classen's bookcollection in Corselitze Manor House") in contemporary hand to title-page and small stamp to lower part of title-page. Internally nice and clean. XXIV, 112 pp. Uncommon second expanded Danish edition of Rousseau’s collection of letters on botany written by Rousseau to Madame Delessert, the mother of one of his young students. The work shows his appreciation for Linnaean classification and includes both scientific and philosophical reflections on nature. Bibliotheca danica II, 186.

Berlin, August Mylius, 1782-83. 4to. 2 contemp. hcalf. Richly gilt ilt spines. Titlelabels with gilt lettering. A paperlabel pasted on top of spines. Stamps on title-pages. X,442;(4),616 pp. and 13 engraved plates. Internally clean and fine. First edition of Schulze's first work. - Poggendorff II, 863.

Braunschweig u. Berlin, Vieweg & Sohn, Julius Springer, 1923. Contemp. hcloth. . Stamp on titlepage. In "Zeitschrift für Physik. Hrsg. von Karl Scheel", Bd. 13. IV,406 pp. Bohr's paper: pp. 117-165. Clean and fine. First edition. As Bohr in his 1918 paper (The quantum theory of line spectra) had discussed the expectation that there was a necessary connection between the classical and the future theory in the limit of large quantum numbers, and in a later paper (1920) named it "Korrespondenzprincip" (Principle of Correspondance), Bohr now in the paper offered discussed again the fundamental principles of Quantum Theory in connection with the Principle of Correspondence.Rosenfeld No 29.

Kjøbenhavn, Kongl. Wáysenhuses Bogtrykkeri, 1766. 4to. Samtidigt helldrbd. over træ. Ryg og permer med blindtryk.Permer med spejl. Bindet med brugsspor. Hjørner slidte, 2 lukkestroppe (defekte). (8),710;614,(2) pp. Første og sidste blade med brugsspor. Indvendig ganske velbevaret.

(München, 1863). 4to. Bound in recent hcloth. Issued in "Abhandlungen der Churfürstlichen Baierischen Akademie der Wissenschaften", Bd. I, pp. (3-)54, and 1 folded engraved plate. Fine and clean. First edition. - Poggendorff I:1357.

Odense, (1791-1802). Indbundet i 11 samt. hldrbd. B.Danica I:647. Samlingen udkom alene i årene 1791-1802.

Kiøbenhaffn, Melchior Martzan, 1652. 4to. Samtidigt helpergamentsbind. Håndskreven titel på ryggen. Kobberst.titelblad (opklæbe og tæt beskårett), Titelbladet beskåret forneden, men udenfor teksten. (38),859,49 pp. (Tractat Offver alle de Kaldsmaal oc Bøder, 1652). De 2 anetavler mangler.De sidste blade lidt fugtkrøllede.Indvendig ren. Stort eksemplar med brede marginer, trykt på skrivepapir. Bibl. Dan. I:640. Anden stærkt forøgede udgave af den første gegentlige juridiske lærebog på dansk/norsk.