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Kiøbenhavn, Tikjøbs Forlag, 1800. 8vo. Beskedent, lidt senere hshirtbd. med håndskreven titeletiket på ryg. (16),479 pp. Her og der lidt brunplettet, men velbevaret. Uden de tre kobberstukne plancher. Den sjældne originaludgave, som er den første systematiske beskrivelse af Færøernes Flora og Fauna. I 1791 fik Jørgen Landt præstekald på Færøerne og han påtog sig for Det Naturhistoriske Selskab at indsamle øernes forskellige naturalier i løbet af sit 7-årige ophold her.

Stuttgart, 1839 - 52. 8vo. Seven volumes in orig.(?)/ cont. yellow cardboard-bdgs. the last three different from the first four. Bdgs. worn, especially capitals and hinges. Bad repairs to volume one and two. Internally a bit of brownspotting, but fairly good. First edition of the famous and inevitable "Pauly", -an essential encyclopedic work of the classics. The absolute standard reference work which now comprises 83 volumes. This first edition is not common and gives an unusual insight into the development of this sort of encylcopaedic work as well as into the study of classics in the mid 19th century.

Berlin, Julius Springer, 1934. 8vo. Bound in nice half calf with gilt lettering to spine. Published in "Zeitschrift für Physik". Pp. 161-177. [Entire volume: VIII, 825 pp]. Library stamp to free front end-paper. Clean and fine. First edition of Fermi's seminal and exceedingly important paper on beta-decay. In one stroke, Fermi had solved the major problem of beta decay: How do electrons come out of the nucleus if there are non to begin with? In the paper he coined the term neutrino and his groundbreaking work awarded him the Nobel Prize in physics in 1938.How pioneering and daring Fermi's theory was became clear when he first submitted his paper to the prestigious journal Nature. The journal's editor turned it down because "it contained speculations which were too remote from reality", consequently it became published in Zeitschrift für Physik. Eventually six years later, in 1939, Nature published Fermi's paper.In late 1933 Fermi wrote his famous article offering an elegant solution to a well know problem: Fermi proposed an entire new force of nature, the weak force. "This new force, together with gravity, electromagnetism, and the strong interaction which binds the particles of the nucleus, constitutes the family of forces presently known in physics. The should account for the whole universe. Weak interactions [forces] occur between all particles and are thus unlike electromagnetism or strong interactions, which are restricted to certain particles. The first manifestation of the weak interaction to be treated in detail was the beta decay." (DSB, IV, p. 579b).The "canonical formalism of Heisenberg and Pauli gave rise, in the thirties and forties, to many applications of which the most important may be mentioned here: 1934 Enrico Fermi gave the formal explanation of beta-radioactivity of atomic nuclei by making use of the hypothesis formulated by Pauli in 1930 which postulated the existence." (Enz, Charles. Of Matter And Spirit, 2009, p. 167).Pauli had named his proposed light particle a neutron. James Chadwick had named his much more massive nuclear particle a neutron as well which left the two particles with the same name. Fermi therefore, to solve the confusion, coined the term neutrino (Italian diminutive of neutron). Fermi is widely regarded as one of the leading scientists of the 20th century, Along with Oppenheimer he is frequently referred to as "the father of the atomic bomb".

(Ca. 1888). Fotografiet måler 9x5,9 cm og er monteret på pap m. guldkant der måler 5x6,3 cm, på hvilket er trykt for neden: E. Hohlenberg, Kongl. Hoffotograf. Østergade 1, Kjøbenhavn. Fotografiet viser Hamsun i næsten 3/4 profil, med hovedet drejet en smule til højre. Fotografiet er et af de velkendte Hamsun-portrætter og må være atget samtidig med det, der finder på forsoden af smudsomslaget til bd. 1 af Næss, da han har nøjagtig samme tøj på, håret falder på nøjagtig samme måde, osv.

Geneve, 1767. Original blue cardboard binding with contemporary handwritten paper title-label to spine. Pencil-numbering to inside of boards. A very nice and clean copy. Woodcut vignette to title-page. With the ex-libris of the notes Danish book collector K.F. Plesner to inside of front board. Rare first edition of this interesting, anonymously written continuation of Voltaire's Candide, which wraps up the adventures of the hero. "Turning his back on both Voltarian satire and scepticism, the novelist proposes a moralistic fable - the focal point of which is a rehabilitation of Leibniz's Theory of Optimism. The main body of the novel tells the story of Candide and his new wife, the noble Zénoïde, in their sumptuous Copenhagen townhouse. Before achieving this happy state, however, the couple endures various trials and tribulations reminiscent of the newly minted gothic genre. "Candide au Dannemarc" also features a satirical portrait of Jean-Jacques Rousseau." (Éduard M. Langille, from the introduction to the new edition of "Candide au Dannemarc", edited by him). Voltaire's "Candide" had inspired a sequel that appeared in 1760, which is attributed to Charles-Claude-Florent de Campigneulles, but which might be by Henri-Joseph du Laurens. The present work is a direct continuation of that sequel (although it ignores the happy ending of the previous work), but evidently from the preface, it is not written by the same author. It has still not been determined who the actual author is.The part on Rousseau (pp. 148-167) in the present work has become quite famous, portraying him satirically as trying to make a living in Copenhagen from copying music while plotting to escape to America. The novel ends with Candide leaving Denmark to be the Danish ambassador in Russia.A secoond edition appeared in 1769.

Hildesburghausen, 1858-60. Large 8vo. 5 cont. hcalf. Some plts. slightly brownspotted. Complete with 5 engr. titles and 204 engr. plates.

Kiøbh., 1748 - 1754. 3 samt. uensartede helldrbd. Bd. 1 lidt slidt spejlbd. m. 5 oph. bd. på ryg, rig rygforgyldn., titelfelt slidt næsten væk. Bd. 2 pænt spejlbd. m. 4 oph. bd. på ryg og rig rygforgyldn. Ryg m. lidt brugsspor. Bd. 3 meget slidt. Læderet ved false revnet, ryggen slidt, mgl. læder v. kapitæler, bindesnorene synlige. Tome V m. kobberst. titelvignet. Originaludgave.

Nürnberg, Joh. Ziegeri, 1711 et 1702. 4to. Bound in one contemp. hvellum. Handwritten titles on spine, light wear. Some loss of the marbled paper on covers. Title in red/black. (14),856,(46) pp. and 71 engraved textillustrations. Probably a frontispiece lacks. Second work: Engraved portrait. Engraved frontispiece. Titlepage in red/black. (12),398,(16) pp. a 1 leaf Errata. Many textengravings. Both works are extensive expositions of cartesian philosophy, physics, astronomy, physiology, zoology etc. etc.

London, William Heinemann, 1909. Small 4to. 2 orig. blue pictorial full cloth, uncut, topedge gilt. Spines faded. Hinges on volume one strenghtened. spine ends a bit frayed. A few small closed tears to cloth. Stamp on title-page. XLVIII,372,XV,419 pp., 2 frontisp., 258 plates, textdiagrams, large panoramic illustration, 3 maps (in pocket at end). Internally clean and fine. First edition.

Kiøbenhavn, Gyldendal, 1786-1804. Indbundet i 20 samtidige hldrbd. Rygforgyldning. Titel-og tomefelter forgyldte. Rygge med lettere brugsspor. 2 kapitæler lettere beskadiget. Originaltrykket. Må betegnes som det mest (og største) dansksprogede forsøg på grundlæggelse af en naturlig teologi

(Tübingen), Neske, (1959). 8vo. Original printed wrappers. 24 pp. First edition, presentation-copy "Für/ Dr. Helmut Franz/ mit freundlichem Gruss/ Martin Heidegger".The present work is a speach that Heidegger gave in his home-town Messkirch, in 1955 on the occassion of the 175th birthday of the composer Conradin Kreutzer.For Heidegger, "Gelassenheit" is a way of being in the world which is uniquely different from previous ways - a way which is necessary for modern man.Helmut Franz was an evangelical theologian who considered himself quite a bit with Heidegger's philosophy. In 1958 the two were at a philosophy conference together, and in 1959 Heidegger presented him with his "Gelassenheit". In 1967 Helmut Franz wrote "Das Denken Heideggers und die Theologie".

London, William Heinesen, (1915). Royal8vo. 2 original blue pictorial full cloth. Gilt spines and gilt lettering to covers. Upper covers with illustration in silver-print. Very light wear to spineends. A stamp on title-pages. 2 frontispieces in heliogravure. XXX,349;XIII,338,(2) pp. Profusely illustrated with plates, maps and textillustrations, 3 folded maps in pocket at end. Clean and fine. First edition.

Halle, Wäysen-Hauses, 1732. 4to. In contemporary full calf with five raised bands and richly gilt spine. Small paper-label pasted on to top of spine. Light wear to extremities and scractches to boards. A nice and clean copy. (28), 999, (1) pp. + folded frontispiece. The exceedingly rare first edition of Anton’s lectures edited by Schwenzel. Paul Anton (1661-1730), a Lutheran theologian, played a significant role in the Pietistic movement. He studied in Leipzig and later became a tutor there, aiding in the establishment of Francke's Collegia biblica. Anton traveled through southern Europe from 1687 to 1689. In 1695 he became a professor at the newly established University of Halle. Anton, along with Breithaupt and Francke, contributed to the development of Pietism in Halle, making the university a prominent center for Protestant theology in Germany. Anton's lectures, compiled here, gained widespread popularity. He stressed the importance of introspection in understanding true belief and highlighted sincerity and duty as essential virtues.

Kjøbenhavn 1836-1847. Indbundet i 8 samtidige halvlæderbind, rygge med brugsspor, indvendigt lidt brunplettede. Med 16 foldede kort.

Leipzig, Grosse & Gleditsch, 1712. 4to. In: "Acta Eruditorum Anno MDCCXII". 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. 167-69. [Entire volume: (2), 555, (35) pp. + five engraved plates.]. First printing of one of Leibniz's latest publications in which he proposed an interpretation of infinitesimals by a comparison of bodies of different extensions. The paper is a response to to a problem raised by French philosopher and mathematician Antoine Arnauld, who wrote an important philosophical work known as "The Logic of Port-Royal" from 1662 and "Geometry", 1667. In the book he includes an example of symbolic rules that he considers to be against our basic intuitions on magnitudes and proportions. His reasoning goes as follows "Suppose we have two numbers, a larger and a smaller one. The proportion of the larger to the smaller one should evidently be larger than the proportion of the smaller to the larger one. But if we use 1 as the larger number and - 1 as the smaller one this would lead to (1/-1) > (-1/1) which is against the rules of algebra". (Heeffer, The Methodological Relevance of the History of Mathematics for Mathematics Education, 1992).Leibniz saw this as a genuine mathematical problem but argued that the division should be performed as a symbolic calculation. "Following Leibniz, the infinite appeared in two forms as the (i) Contiuous infinite and (ii) the discrete infinite. The status of the differentials is closely related to the status of the infinite. [...] As a consequence, there is no clear and consistence distinction between continua of different kind related to (i) geometry and to (ii) mechanics. [...] Leinbiz did neither consequently argue mathematically or arithmetically nor consequently geometrically, phenomenologically and mechanically. [But] The correlation between mathematics and physics is as impressive as possible. (Suisky, Euler as physicist, 2009, p. 89-90).The volume also contains:Bernoulli, Johann. Angulorum arcuumque sectio indefinita per formulam universalem expressa. Pp. 274-277; 329-30.And many other papers by influential contemporary mathematicians, philosophers and historians.

Kbh., 1855. Indb. i et samt. hldrbd. m. enkel rygforgyldn. Restaureret m. ny skindryg under den samt., som mgl. ca. 1/6 for oven. Her og der brunplettet. 20, 31, 16, 23, 32, 26, 77, 30, 22 pp.Bound in one contemporary half calf w. simple gilding to spine. Rebacked, preserving the cont. spine, which lacks ab. 1/6 at the top. 20, 31, 16, 23, 32, 26, 77, 30, 22 pp. Originaludgaven m. alle 9 numre i 1. oplag, hvilket er sjældent. Himmelstrup 180.The first edition with all nine numbers in firsr issue, which is very rare. Himmelstrup 180.

Copenhagen, Oslo, Stockholm, 1970-77. 4to. Bound in 9 orig. full cloth with dustjackets. With plates and textillustrations.

Leipzig, Grosse & Gleditsch, 1713. 4to. Contemporary full vellum. Faint handwritten title on spine. Two small stamps to title page and pasted library label to pasted down front free end-paper. In: "Actrum Eruditorum, Supplementa. Tomus V". As usual with various browning to leaves and plates. Pp 264-70 + 1 engraved plate. [Entire volume: (2), 541,(27) pp. + 4 engraved plates]. First printing of Leibniz exceedingly important letter to Christian Wolff in which he introduced the "probabilistic argument", that influenced Johann and Daniel Bernoulli. Leibniz corresponded with several other mathematicians about divergent series, the present letter being the most important and having the longest lasting impact. Leibniz had been asked if he thought whether or not a sum existed for Grandi series. "He reasoned that the sum of n terms of this series would either be 1 or 0 depending on whether n is odd or even, so that the values 0 and 1 occur with equal frequency; therefore, according to the laws of probability, the most probable sum should be the arithmetic mean ½." (Tucciarone. The Development of the Theory of Summable Divergent Series. P. 1). The letter was rediscovered in 1880 by German mathematician Georg Frobenius in his paper "Ueber die Leibnitzsche Reihe" (On Leibniz's series). Frobenius' short paper, begins by quoting from Leibniz's treatment of 1 - 1 + 1 - 1 + ... He states that Leibniz was actually stating a generalization of Abel's Theorem. The result, now known as Frobenius' theorem, and the paper is today regarded as being the first article in the modern history of divergent series.

Ldn., 1826. 8vo. Six very beautiful uniform cont. grey full calf. Backs richly decorated with blind-stamped ornaments, 5 raised bands and brown leather title-labels on backs. Boards with triple gilt line-framings inside which richly decorated blind-stanped framings. All edges of boards and all edges gilt. Internally clean. Portrait in vol.1.

Berlin, Reuther & Reichard, 1922. 8vo. Original grey printed wrappers w. very minor loss to capitals. Printing on spine nearly fully intact. Internally near mint. A very good, nice and clean copy of a publication, which in itself is quite fragile. 87 pp. First edition of Carnap's first publication, his doctoral dissertation. Printed in Kant-Studien, Ergänzungshefte, Nr. 56. Issued by H. Vaihinger, M. Frischeisen-Kähler and A Liebert. Rudolf Carnap (born 1891 in Ronsdorf, Germany, died 1970 in Santa Monica, California) was an immensely influential analytic philosopher, who has contributed decisively to the fields of logic, epistemology, semantics, philosophy of science, and philosophy of language. He was one of the leading figures of the Vienna Circle, and a prominent logical positivist. He studied philosophy, physics and mathematics at the universities of Berlin and Freiburg, and worked at the universities of Jena, Vienna and Prague until 1935, when he, due to the war, emigrated to the U.S., where he became an American citizen in 1941. In America he became professor of the University of Chicago. In Jena he was appointed Professor of Mathematics, though his main interest at that time was in physics. By 1913 he planned to write his dissertation on thermionic emission, but this was interrupted by World War I, where he served at the front until 1917. Afterwards he studied the theory of relativity under Einstein in Berlin, and he developed the theory for a new dissertation, namely on an axiomatic system for the physical theory of space and time. He thus ended up writing the important dissertation under the direction of Bouch on the theory of space (Raum) from a philosophical point of view. The dissertation was submitted in 1921, and, due to the clear influence from Kantian philosophy, it was published the following year in this supplement to the "Kant-Studien". After the publication of his first work, Carnap's involvement with the Vienna Circle began to develop. He met Reichenbach in 1923 and was introduced to Moritz Schlick in Vienna, where he then moved to become assistant professor at the university. He soon became one of the leading members of the Vienna Circle, and in 1929 he, Neurath, and Hahn wrote the manifest of the Circle.As the title indicates, "Der Raum" deals with the philosophy of space. Partly influenced by Husserl, under whom he studied at Freiburg, Carnap poses the question weather our knowledge of space is analytic, synthetic a priori or empirical. His answer is that it depends on what is meant by "space", and thus differentiates between three kinds of theories of space: Formal (which is analytic [a priori]), intuitive (which is synthetic a priori), and physical (which is empirical [or synthetic aposteriori]). He compares this division of space with that of geometry into: projective, metric and topological. This, of course, anticipates much of his later philosophy, and some of his theories developed in this paper became the official position of logical empiricism on the philosophy of space. In this work he also develops a formal system for space-time topology, which became quite influential.

K., 1760. 4to. Samt.helldrbd. m.rig rygforgyldn. Ryg med lettere brugsspor. (32), 512 pp. samt 14 kobberstukne plancher (prospekter m.v.). Eksemplar på skrivepapir.

(London, W. Bulmer and Co., 1803). 4to. No wrappers as extracted from "Philosophical Transactions" 1803 - Part I. Pp.29-42 and 1 engraved plate and Appendix: pp. 274-276. With titlepage to the volume Part I. A paperflaw in margin of the first leaf, neathly repaired, no loss. The plate with a few small brownspots. Verso of titlepage with a small stamp, otherwise clean and fine, wide-margined. First appearance of this highly importent paper in which Henry announced his discovery of the law, which later was termed "Henry's Law". The law states that when a gas is absorbed in a liquid the weight of the gas dissolved is directly proportional to the pressure of the gas over the liquid. This discovery contributed directly to the atomic theory of Dalton.(Parkinson: Breakthroughs: 1803 C) "Dalton's own experiments on the solution of gases and the stimulus afforded by Henry's work have been seen as crucial in the development of the atomic theory."(DSB VI p. 285).A paper by Humphrey Davy: "An Accont of some Experiemnts and Observations on the constituent Parts of certain astringent Vegetables; and on their Operating in Tanning. Read February 24, 1803", comes with. In the same volume Pp. 233-273.

Karlsruhe, Kunstverlag, 1860. Lex8vo. Orig. printed boards, uncut. A few scratches on covers and corners, backstrip with wear. Having the title-p.: "Die Ausser-Europäische Welt...2.Bd." and the separate title "Japan". (4),III,355 pp. and 40 pp. (Das Neueste aus der Länder=und Völkerkunde) and 25 plates mostlyof Japanese views (1 engr. frontisp., 6 tinted lithographed plates, 18 steelengraved views and 1 folded lithographed map, all). Light scattered brownspots and stains. First edition of one of the earliest Western descriptions of Japan after the reopening of the country in 1854 to foreigners.

Hamburg, Friedrich Perthes, 1798. 8vo. Cont. marbled cardboardbdg. w. title-label to spine, gilding almost worn off. Some traces of wear to extremities. Internally nice and clean w. only minor and faint waterstaining to margin of some leaves. XIV, 327, (1, -errata) pp. First edition of Schelling's influential "On the Soul of the World", which was the work that made Schelling famous in the university city of Jena. The work was widely noticed and highly regarded.In his early works (1795-1800), Schelling sets out to give a new account of nature. At the basis of his philosophy of nature is the status that Kant had given nature, but Schelling tries to avoid some of the consequences that come with it. He is also largely inspired by Fichte's transcendental philosophy, and in the last five years of the 19th century, Schelling is thus occupied with the relationship of the subject to the object world, -a theme that comes to found the basis for his so famous philosophy of nature. At first Fichte and Schelling stood on good terms, but as their different conceptions of nature became evident, the divergences between them became too great. As Fichte regarded nature as Not-Self, this could not be a valid subject of philosophy, and he refused to understand Schelling's philosophy of nature as complementary to his own transcendental philosophy. Schelling's philosophy of nature presents us with a modern hermeneutic view of nature, allowing nature to be of significance beyond what can be scientifically established about it. Schelling was a tutor of two boys from an aristocratic family. With them he went to Leipzic and had a chance to attend lectures at the university there. He here occupied himself with physical studies, also chemistry and biology. After having taught these two aristocrats for a couple of years, he was called to Jena as an extraordinary professor of philosophy at the mere age of 23. He stayed in Jena for five years (1798-1803), where he found himself at the centre of the German Romanticism. Goethe, for instance, highly regarded his philosophy of nature, which he got acquainted with through his "Von der Weltseele", which presents us with the fruits of his studies of physical sciences.Along with J.G. Fichte and Hegel, Schelling ranks as the most influential thinker of German Idealism. He stands in the centre of this most important and influential of philosophical traditions, and with his philosophy of nature, his anti-Cartesian view of subjectivity and his later critique of Hegelian Idealism, Schelling continues to be of the utmost importance to the development of continental philosophy to this day.

K., 1894. Samt. hldrbd. m. rig rygforgyldn. Ryg falmet, hjørner lidt stødte, ene indre fals lidt svag. Indvendig ren og frisk. Originaludgave.