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Kiøbenhavn, P.M. Høpffner, (1788). 4to. Uden bind, som udkommet. 62 pp. Originaltrykket af Universitetets 3. fundats. "Kun enkelte Bestemmelser i Fundatsen af 7. maj 1788 ere senere udtrykkelig blevne forandrede; men en del af dens Forskrifter ere traadte ud af Kraft ved Bortfalden af Prokancelliet, som var den nødvendige Forudsætning for deres aktuelle Virken, og den største Del er stiltiende ophævet ved ny regler angaaende de i Fundatsen omhandlede Æmner."(Matzen "Kjøbenhavns Universitets Retshistorie 1479-1879" Bd. I (1879), p. 118).

Berlin, Springer, 1928. Orig. full cloth. Lower part of spine with loss of cloth. Lower right cornerof titlepage cut away, no loss of letters. VIII,120 pp. First edition. (Die Grundlehren der Mathematischen Wissenshaften in Einzeldarstellungen, Band XXVII). In the years 1917-22 Hilbert gave three seminal courses at the Univeristy og Göttingen on logic and the foundation of mathematics. He received considerable help in preperation and eventual write up of these lectures from Bernays. This material was subsequently reworked by Ackermann into the monograph 'Grundzüge der Theoretischen Logik' (the offered item). It containes the first exposition ever of first-order logic and poses the problem of its completeness and the decision problem ('Entscheidungsproblem'). The first of these questions was answered just a year later by Kurt Gödel in his doctorial dissertation 'Die Vollständigkeit der Axiome des logischen Funktionenkalküls'. This result is known as Gödel's completeness theorem. Two years later Gödel published his famous 1931 paper 'Über formal unentscheidbare Sätze der Principia Mathematica und verwandter Systeme I' in which he showed that a stronger logic, capable of modeling arithmetic, is either incomplete or inconsistent (Gödel's second incompleteness theorem). The later question posed by Hilbert and Ackermann regarding the decision problem was answered in 1936 independantly by Alonzo Church and Allan Turing. Church used his model the lambda-calculus and Turing his machine model to construct undecidable problems and show that the decision problem is unsolvable in first-order logic. These results by Gödel, Church, and Turing rank amongst the most important contributions to mathematical logic ever.

Aarhus, Autoris Tryckerij, 1636. 4to. Nær samtidigt helldrbd. med 2 spænder. Del heraf fornyede. Ukomplet eksemplar. Af de ca. 950 sider mangler 35, som er indsat i faksimile, heraf titelblad og kolofon. Nogle blade kantreparerede. Nogle med tab af bogstaver. Thesaurus II,641.

Paris, G. Masson, 1890. Contemp. hcalf. Light wear along edges. Two small stamps on verso of titlepage. In "Annales de Chimie et de Physique", 6. Series - Tome XX. 576 pp. The entire volume offered. Raoult's paper: pp. 297-371. Clean and fine. First printing of an importent paper in which Raoult gives further applications of his own discovery, "Raoult's Law""Raoult soon turned to the anomalous results with salts in water, which had puzzled previous investigators. He classified the salts he used according to the valence of the radicals and found that the lowering of the freezing point could be accounted for by assigning certain numbers to these radicals. He demonstrated that the freezing point lowering obtained with these salts was consistent with the hypothesis that the salt radicals themselves acted as if they existed independently in the solution, and that certain radicals were more effective than others in lowering the freezing point of water. With the statement that "the neutral salts of mono and di-basic salts act as if the electropositive and electronegative radicals of these salts when dissolved in water solution do not combine, but remain as simple mixtures (in the paper offered), Raoult showed that he had come to accept much of Arrhenius’ work on ionization."(DSB).

Manchester, The Manchester Literary and Philosophical Society, 1896. 8vo. In the original printed wrappers. Offprint from "Memoirs and Proceedings of the Manchester Literary and Philosophical Society", Tenth [10] volume, Fourth series. With author's presentation inscription to top of front wrapper: "With the Author's Compliments.". Lacking 1 cm of lower part of front wrapper, not affecting text, otherwise a very fine and clean copy. Pp. 61-71 + 1 plate. Scarce offprint issue, with author's presentation inscription, of Wilde's important contribution to the quantitative relations of the physical and chemical forces especially in relation to batteries. Henry Wilde (1833 - 1919) a wealthy individual from Manchester, England who used his self-made fortune to indulge his interest in electrical engineering. He invented the dynamo-electric machine, or self-energising dynamo, published in 1866. The machine was considered remarkable at the time, especially since Wilde was fond of spectacular demonstrations, such as the ability of his machine to cause iron bars to melt.

Berlin, Stockholm, Paris, Almqvist & Wiksell, 1900. 4to. Bound in contemporary half cloth with gilt lettering to spine. In "Acta Mathematica", Vol, 23, 1900. Entire volume offered. Stamps to title page and wear to extremities, otherwise a fine and clean copy. Pp. 1-42.[Entire volume: (4), 416 pp]. First appearance of Fredholm's doctoral thesis (finish in 1898 but not published till 1900) and his first major work in partial differential equations. His doctoral dissertation involved a study of partial differential equations, the study of which was motivated by an equilibrium problem in elasticity. He solved his operator equation in the particular cases which arise in the study of the physical problem in his thesis (and in the paper which appeared in 1900 based on that thesis)"Fredholm's first major work was in partial differential equations. His doctoral thesis, written in 1898 and published in 1900, involved the study of the equation-written in Fredholm's own operator notation. [...] This equation is significant because it occurs in the study of deformation of anisotropic media (such as crystals) subjected to interior or exterior forces. Initially, Fredholm solved only the particular equations associated with the physical problem; in 1908 he completed this work by finding the fundamental solution to the general elliptical partial differential equations with constant coefficients." (DSB).

Schandau, Kosten des Uebersetzers, 1801. Contemp. full calf. Gilt spine. Titlelabel with gilt lettering. Stamp on title-page. Engraved title-page. (2),VIII,278,(2) pp., 4 folded tables. The first few leaves slightly browned, otherwise fine.

Hamburg, Völckerus, 1678. 12mo. Bound in a contemp. full vellum. w. handwritten title to spine. Crack to lower front hinge. Library-stamp to front free endpaper. Engraved title page mounted. Second leaf w. loss to margin and lower right corner. Internally clean w. a few marginal notes.

Braunschweig, Vieweg & Sohn, 1916. 8vo. Fine later boards, the orig. printed frontwrapper from the Journal pasted on frontcover. Extract from "Verhandlungen d. deutschen Physikalischen Gesellschaft...18. Jahrgang. Nr. 6/7". pp. 173-177 and 1 textillustr. First edition. - Weil No. 82.

Leiden, Amsterdam, Luchtmans, 1821. Large8vo. Bound in 2 contemp. hcalf. Spine gilt, title and tomelabels with gilt lettering. Spines a bit rubbed. Corners bumped. A stamp to foot of titlepages. VI,806;(6),728,(4) pp. Internally clean and fine, printed on good paper, partly uncut and wide-margined.

Frankfurt am Main, Keßler, 1848. 8vo. In contemporary half calf with gilt lettering to spine. Spine with wear and internally with occassional brownwpotting throughout. XVI, 572 pp. + 7 plates. First edition of this important study on the different people in the Caukasus area.

Berlin 1845-49. 4to. Bound in 5 contemp. half calf bindings. Stamp on title. Ca. 800 pages each year.

Magdeburg, Creutz, 1798. 8vo. In contemporary half calf. With small paper-label pasted on to top of spine. Light wear to extremities. Internally nice and clean. XLVIII, 397 pp. + 17 folded engraved plans.

Berlin, Springer, 1927. 8vo. In contemporary halv cloth with gilt lettering to spine. In "Zeitschrift für Physik", Bd. 42, 1927. Entire issue offered. Stamp to front free end-paper, otherwise fine and clean. Pp. 375-389. [Entire volume: VIII, 917 pp.]. First printing of London's early paper on Gauge Theories and Weak Interactions in which London anticipated many of Weyl and Pauli's ideas on the same subject."In the face of such elementary experimental evidence, it must have been an unusually strong metaphysical conviction that prevented Weyl from abandoning the idea that Nature would have to make use of the beautiful geometrical possibility that was o?ered. He stuck to his conviction and evaded discussion of the above-mentioned contradictions through a rather unclear re-interpretation of the concept of "real state", which, however, robbed his theory of its immediate physical meaning and attraction." (From the present paper).

Bruxelles, Arnold Lacrosse, 1820. 12mo. (135 x 85 mm). Bound in 5 beautiful contemporary sprinkled half calf bindings with richly gilt spines. Gilt title- and tome labels to spines. Boards rubbed. Upper capitals of vol. 3 and 4 with loss. Slight wear to edges of boards. Significant brownspot, causing slight loss of paper and text to pp. 261-69, vol. 3. Evenly browned, otherwise internally clean. Four engraved frontispieces and three in-text engravins. A beautiful set of Chateaubriand's five-volume defense of Catholocism, originally published in 1802.

Paris, Hachette et Cie, 1873. Royal8vo a. folio. 2 uniform contemp. hcalf. Spines gilt. All edges gilt. Slightly rubbed. (4),XVI,615 pp. and Atlas: (4),4 pp. and 13 engraved maps in colour of which 11 are double-page. Internally clean and fine.

Paris, Bertrand, 1820. Uncut in 3 contemp. hcalf. Blindtooled compartments. Titlelabels with gilt lettering. Stamp on title-pages. 2 folded engraved frontispieces (Christiansborg, Stockholm). (4),VIII,362;(4),349;(4),425,(3) pp. 7 lithographed portraits. Clean. Wide-margined.

Paris, Didot Fréres, 1835-47. 4to. Bound in 3 cont. hcalf. Gilt backs. Vol. 1 rebacked, with old leather preserved. Top of back on vol. 3 repaired. Extremities a little rubbed. 2 engraved titlepages. XXXII,911;961;XXXII,1281 pp. Occasionally a little brownspotted.

Copenhagen, Levin & Munksgaard, 1937. Small 4to. Orig. hcloth. 30 pp. + 391 pp. (Facsimile). Inscribed by the publisher, Ejnar Munksgaard Jónas Thorbergsson. Monumenta Typographica Islandica V.

Braunschweig, Vieweg & Sohn, 1921. Contemp. hcloth. In: "Zeitschrift für Physik. Unter Redaktion von Karl Scheel.", 4. Bd., pp. 451-468 and pp. 469-471. The whole volume offered. IV,476 pp. First printing of the first step towards the formulation of a quantum-theoretic interpretation of dispersion (the Ladenburg-Equation). Ladenburg's results were later (1924) generalized by Kramers in his "The Law of dispersion and Bohr's Theory of Spectra.".

Wien, Kaiserlich-königl. technischen und administrativen Militär-Comité, 1872. 4to. Contemp. hcalf. Gilt spine with gilt lettering. Spine slightly rubbed. A paperlabel pasted on upper part of spine. Stamps on title-page (on the orig. printed wrappers to the Atlas). With 34 lithographed plates in folio.

Washington, U. S. Hydrographic Office, 1890. 8vo. In contemporary half cloth with gilt lettering to front board. Front wrapper pasted on to front board. Stamp to front board, pasted down front free end-paper and stamps to title-page, otherwise a fine copy. 25 pp + folded map. Rare first edition of the report received by U.S.S. Thetis on the ice and ice movements in the Bering Sea and the Arctic Basin.

(London, W. Bulmer and Co., 1813). 4to. No wrappers as extracted from "Philosophical Transactions" 1813 - Part I. Pp. 101-109 First printing of Brewsters first paper in the Transactions in which he gives a preliminary result of his testing of the transmission of light through around 200 transparent substances. In a paper issued the next year (1814) he called the different phenomena that he observed here, Biaxal and Uniaxal.

Small 8vo. Fine cont. hvellum, richly gilt back, gilt boders on covers. Frontwrapper withbound. No 175 of 200 (petit format), a total of 350. 10 fine engravings by Morin and 1 portrait.

Kbhvn., 1905-19. Indbundet i 4 samt. hldrbd. Den ene ryg løs. Med brugsspor.