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(Paris, Mallet-Bachelier), 1863. 4to. No wrappers. In: "Comptes Rendus Hebdomadaires des Séances de L'Academie des Sciences", Tome 56, No 8. Pp. (317-) 364. (Entire issue offered). The paper: pp. 330-339. First apperance of this detailled report and examination by the French mathematiciens Mathieu, Chasles and Delaunay of the calculating machine invented by Martin Wiberg as an improvement on the Scheutz machine. The machine could produce tables of logarithms.

Kiøbenhavn, H.J. Graae, 1783. Lille8vo. Smukt samtidigt helldrbd. med ophøjede bind på ryg, rig rygforgyldning, forgyldte bordurer på permer. XIV,(2),216 pp. ent frisk eksemplar, trykt på svært skrivepapir. Yderst sjælden, nok Gamborg's filosofiske hovedværk, stærkt påvirket af Hutchinson, Hume og Adam Smith. Bogen udkom endda i tysk oversættelse og i to udgaver. Gamborg blev i 1788 udnævnt til professor extraordinarius i praktisk filosofi ved Københavns Universitet, en stilling han ikke blev længe i, da han i 1796 udnævntes til sekretær og assessor i konsistoriet, samtidig med at han afgik som regensprovst. Bibl.Danica I, 966.

Padova, Tipi della Minerva, 1836. Large 8vo. Bound in a fine cont. hmorocco, partly untrimmed. Top edge gilt. Raised bands. 144 pp. and 20, partly large folded engraved plates. Throughout fine and clean, printed on good paper.

Paris, 1908-24. 4to. Bound in 3 hvellum. 460,428,559 pp. Richly illustr.

Hannover, Helwing'schen Hof=Buchhandlung, 1826. Contemp. hcalf. Gilt spine. Titlelabel with gilt lettering. A paperlabel pasted on spine. Spine a bit rubbed. Stamp on title-page. XXVIII,544,(2) pp. Internally clean.

Julius Springer, Berlin 1924. 8vo. Bound with the original front wrapper in contemporary dark blue full cloth with gilt lettering to spine. In "Mathematische Annalen, 92 Band, 1924." Light writing in pencil to title page, other fine and clean throughout. [Hilbert:] 1-32 pp. [Entire volume: (2), 316 pp.]. First printing of Hilbert's important contribution to the unification of gravitational theory and electrodynamics. Hilbert stated that the present paper essentially was a reprint with insignificant alterations. This is, however, not entirely true as several Hilbert biographers have pointed out, that this version contain "major conceptual adjustments and a recognition of its deductive structure" (Renn, The Genesis of General Relativity, p.930). "...it was Hilbert's aim to give not just a theory of gravitation but an axiomatic theory of the world. This lends an exalted quality to his paper, from the title, 'Die Grundlagen der Physik', The Foundations of Physics, to the concluding paragraph, in which he expressed his conviction that his fundamental equations would eventually solve the riddles of atomic structure" (Pais: Subtle is the Lord, pp. 257-258). In Hilbert's 1915-paper he falsly believed that electromagnetism was essentially a gravitational phenomenon. "These and other errors are expurgated in an article Hilbert wrote in 1924 [the present paper]. It is again entitled 'Die Grundlagen der Physik' and contains a synopsis of his 1915 paper and a sequel to it written a year later. Hilbert's collected works, each volume of which contains a preface by Hilbert himself, does not include these two early papers, but only the one of 1924" (Pais, Subtle is the Lord…, p. 258)

Paris, n.d.(ab. 1835). 12mo. Very nice cont.full longgrained morocco. Richly gilt back, broad gilt borders on sides, edges gilt. Contains all 72 fine engr.plts. Bound with all 4 orig. blue printed wrappers. Plates brownspotted in margins.

Geneve, Merigot le jeune, 1784. Contemp. hcalf. Gilt spine. Titlelabel with gilt lettering. Stamp on title-page. (4),XL,308,(4) pp., 1 large folded engraved plate, 2 large folded engraved maps. On good thick paper.

Leipzig, Brockhaus, 1887. Contemp. clothbacked boards. Orig. printed frontwrapper pasted on upper cover. Frontispiece. 88),154 pp., textillustrations, 7 plates, 1 folded map.

Berlin, Amelang, 1838. Contemp. hcalf. Gilt spine with gilt lettering. Top of spine strenghtened with tape. Stamp on title-page. XXII,602 pp., 8 large folded engraved plates. A few faint scattered brownspots.

Altona, David Iversen, 1763. Contemp. full calf. Raised bands. Titlelabel with gilt lettering. A crack at hinge on upper compartment. 175 pp. text in English and German. Marginal browning to first and last leaf. First German edition. The original was published 1762.

Paris, Bureau de la Bibliotheque Scientifique, 1838-40. Large 4to. Bound in 3 contemp. hcalf. Gilt spines, titlelabels with gilt lettering. Spines slightly rubbed. Spine on vol. I with a small nick and a tear at upper part of fronthinge. Stamps on title-pages. VIII,584,(4);620,(4);488,(4) pp. and 80 folded engraved plates. Internally clean.

(Paris, Bachelier), 1848 4to. No wrappers. In "Comptes rendus hebdomadaires des séances de l’Académie des sciences", Vol. 27, No 24. Pp. (593-) 616. (Entire issue offered). Bravais' paper: pp. 601-604. Frst appearance of a landmark paper in crystallography and mathematics as Bravais here begins his rechearches of the rotations and translations of crystals into themselves, and he thereby, in this process, advanced the studies of both crystalline structure and of group theory."Bravais Lattice is a type of spatial crystal lattice first described by the French scientist A. Bravais in 1848. Bravais expressed the hypothesis that spatial crystal lattices are constructed of regularly spaced node-points (where the atoms are located) that can be obtained by repeating a given point by means of parallel transpositions (translations). When straight lines and planes are constructed through these points, the spatial lattice becomes divided into equal parallelepipeds (cells). There are a total of 14 types of such lattices, by which the structure of any crystal can be described in the first approximation."(The Free Dictionary).Parkinson "Breakthroughs" 1848 C/M.

Frankfurt & leipzig, Bartholomæus, 1725-25. Bound in one contemp. full vellum. handwritten title on spine. Titlevignettes. Ca. 1550 pp. Clean and fine.

Paris, Magimel, AN XIII - 1805. Contemp. hcalf. Gilt spine. Gilt lettering. Stamp on title-page. XII,724,(3) pp. Clean and fine.

Kjøbenhavn, Udgiverens Forlag, 1831-32. Indbundet i 7 samtidige ensartede hldrbd. Rygforgyldning. Forgyldte rygtitler. Lettere spredte brunpletter. BFN: 151, 152, 163, 164, 170, 175, 180, 181, 182, 189-93 og 198.

Leipzig, Gleditschen, 1717 & 1719. 8vo. In contemporary half vellum with gilt lettering to spine. Small paper-label pasted on to top of spine. revious owner's name (Peter Otto Rosenørn - owner of Hersomgård) in contemporary hand to front free end-paper. Light wear to extremitities, internally nice and clean. (6), 382, (2), 302, (18), (22), 310, (1) pp. + 2 frontispieces. Rare first and second edition, respectively, of these two works by Trier on moral philosophy and law.

Tübingen, Max Niemeyer, 1953. 8vo. Orig. full brown cloth w. gilt lettering to spine and blindstamped publisher's mark on front board. Orig. dust-jacket, spine of d-j. darkened, tears to upper part. (4), 156, (1) pp. First edition of the highly important work that consists of Heidegger's lecture of 1935 as well as later contributions concerning the question of "Sein" ("Being"), which gave this term a more radical meaning than it had in "Sein und Zeit".This, Heidegger's "renewal" of Metaphysics, presents the philosophy of the 20th century with one of its greatest challenges.The centre of Heidegger's reflections in this work is the "Entmachtung des Geistes" ("The Disablement of Spirit"). Spirit is reduced to an instrumental reason, which Heidegger calls "Intelligens".

Fankfurt am Main, Klostermann, 1943. 8vo. Orig. printed wrappers. A bit of brownspotting. Some underlinings, mostly in pencil. 28 pp. The scarce first edition of Heidegger's important and early Freiberg-lecture from 1931, "The Essence of Truth" (not the one printed in Wegmarken).In this work Heidegger assumes the general determination of truth as the accordance of an utterance with a thing as his starting-point. Truth is thought as the accuracy of an accordance, but how, is the question posed by Heidegger, does this accordance between the utterance and the thing come about? And thus the question of the Essence of truth arises.One of the conclusions of the work is that "Das Wesen der Wahrheit ist die Freiheit."The "Essence of Truth" completes a line of thought begun with "Sein und Zeit". Truth is understood as the accuracy of an accordance and is traced back to the resoluteness (Entschlossenheit) of existence, which is now understood as freedom. "Der hier vorgetragene Versuch führt die Frage nach dem Wesen der Wahrheit über das Gehege der gewohnten Umgrenzung im üblichen Wesensbegriff hinaus und verhilft zum Nachdenken darüber, ob die Frage nach dem Wesen der Wahrheit nicht zugleich und zuerst die Frage nach der Wahrheit des Wesens sein muss. Im Begriff des "Wesens" aber denkt die Philosophie das Sein" (p. 27).

Berlin, Mittler, 1883-89. Bound in 11 contemp. half cloth bindings, Stamp on titlepages. With illustrations and foldings maps. Heft 1 in 2. Aufl.

Lipsiae, Impensis Ioannis Pauli Krausii, 1759 (bottom of final page states: Lipsiae, Breitkopf, 1758). 8vo. Cont. full calf w. richly gilt back. Professional repairs to back, hinges and capitals, boards w. wear. Evenly brownspotted throughout, some underlinings and marginal notes. (8), 496 pp. Second printing of the first edition.

Königsberg, Gebrüder Bornträger, 1829. Small 4to. Contemp. hcalf. Gilt spine. Titlelabel with gilt lettering. A paperlabel pasted on upper part of spine. Stamps on title-page.XV,(2),160 pp. and large folded engraved map. Internally clean.

Berlin, Springer, 1931. 8vo. Bound in contemporary half cloth with gilt lettering, In "Zeitschrift für Physik", Band 71, 1931. Entire volume offered. Library stamp to title page and a three cm tear to upper front hindge, otherwise fine. Pp. 205-226. [Entire volume : VII, (1), 823 pp.]. First appearance of Bethe's paper containing his famous and much used method for finding the exact solutions of certain one-dimensional quantum many-body models. Bethe here found the exact eigenvalues and eigenvectors of the one-dimensional antiferromagnetic Heisenberg model Hamiltonian. Since then the method has been extended to other models in one dimension: Bose gas, Hubbard model, etc.

Leipzig, Grosse & Gleditsch, 1737. 4to. In: "Nova Acta Eruditorum Anno MDCCXXXVII". The entire volume offered in contemporary full vellum. Hand written title on spine. A yellow label pasted on to top of spine. A small stamp to title-page and free front end-paper. Library label to pasted down front free end-paper. As usual with various browning to leaves and plates. Pp. 82-88. [Entire volume: Pp. (4), 555, (33) + 7 engraved plates.]. First printing of Bernoulli's paper on the quadratura.The volume contains many other papers by influential contemporary mathematicians, philosophers and historians.

London, N.Y. etc., 1911. 8vo. Orig. full blue cloth w. gilt lettering to front board and spine. Corners a bit bumped and spine a bit crooked. Inner hinge weak and splitting, but a nice and clean copy. Library stamps. XII, 282 pp. + 34 plates, 3 of which are folded (4 in colour). Many figures and diagrams in the text. The important first edition of Darbishire's exposition of Mendelev's theory of heredety and the practise of breeding. The work constitutes the fullest popular account of Mendel's discovery until that time. "... I have given a fuller account of the phenomena observed by Mendelev than has yet appeared in popular form: the seven pairs of characters studied by him are all figured for the first time, and other results of his are illustrated by photographs from specimens which I have bred myself." (Preface p. (III) ).The work is of importance, as it spread the discovery of Mendel, the importance and meaning of which had only recently been discovered. Many Physiologists, genetics and biochemists got acquainted with the discveries of Mendel through this work. For instance John Burdon Sanderson Haldane (1892-1964), one of the founders of population genetics, primarily learned about the discovery of Mendel through Darbishire's work. "In 1901 his (Haldane's) interest in genetics was aroused by a lecture on the recently rediscovered work of Gregor Mendel; it was increased in 1910, when he began to study the laws of inheritance as revealed by his sister's 300 guinea pigs. Reading an early paper by A.D. Darbishire, Haldane noted what appeared to be the first example of gene linkage in vertebrets..." (D.S.B. p. 21).