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Göttingen, Vandenhök und Ruprecht, 1795. Contemp. hcalf. Gilt spine. Titlelabel with gilt lettering. A paperlabel pasted on top of spine. Stamps on title-page. VIII,(10),514 pp. and 7 folded engraved plates. Clean and fine. First edition of his first scientific work. Bohnenberger was co-founder of "Zeitschrift für Astronomie und verwandte Wissenschaften". - Poggendorff I, 226.

Halae Magdeburgicae (Germany, Halle an der Saale.), Impensis Orphanotrophei, 1738. 8vo. In a nice contemporary full calf binding with five raised and richly gilt spine. Small paper-label pasted on to top of spine. A nice and clean copy. 192 ff. Preface in Latin, text in Hebrew. Rare first edition of Francke’s Hebrew edition of the Psalms, with a preface in Latin.

(Aarau), 1760. 8vo. In a contemporary full calf binding with five raised bands and richly gilt spine. Upper left corner of front board with cratches. With notes in contemporary hand to upper part of front free end-paper. Light brownspotting to first and last leaves, otherwise a fine copy. XI, (1), 362, (2) pp. The rare first edition of Schmid's work on agriculture, commerce and luxury good in general. "Sometimes erroneously attributed to Albrecht con Haller" (Kress). Einaudi 5162Kress 5899.

Kiøbenhavn, 1789 - 1793. Indbundet i 2 samtidige halvlæderbind med forgyldt titel på ryg. Udvendig med brugsspor og det marmorerede papir løsnet på for- og bagpermer på begge bind. Tidligere ejers navnetræk på påklistret forsatsblad i begge bind. Indvendigt pæne. Den sjældne originaludgave af tidsskriftet, i hvilket Heiberg, der senere blev landsforvist, kritiserede og satiriserede over København.

Franckfurt, Zunners, 1696. 8vo. In contemporary full calf with four raised bands and gilt lettering and spine. A few scratches to boards and spine-ends chipped. Bookblock closely trimmed, occassionally touching text in upper margin. A few leaves browned. (20), 432, 50, (6), 76 pp. Interesting sammelband containing two rare work by German Lutheran theologian Philipp Jakob Spener both pertaining to the Spener-Pfeiffer controversy. Here Spener’s presents his response and theological defense against the attacks of August Pfeiffer who had accused Spener of dangerous innovations in theology, especially with regard to eschatology, sanctification and lay piety. Philipp Jakob Spener (1635-1705) was a prominent German Lutheran theologian, by many referred to as "Father of Pietism", known for founding the Pietism movement, which emphasized personal faith and piety over formal doctrinal orthodoxy.

(München, Johann Hermann Gelder, 1685). 4to. Later hcalf (rebound), spine worn but intact. Shaved close throughout, loosing pagination number mainly at end. Some leaves with repairs, some loosing text. Scattered brownspots. Traces of use. Some leaves frayed in margins. (22) pp., lacking titlepage.The first part paginated 1-1506, the second part ca. 400 pp. (pagination shaved and ending abruptly). 14 engraved plates, mounted and some with loss and defective. With around 70 large textengravings by Leonhard Heckenauer, Jeremias Renner, H.G. Bodenehr et al. Richly illustrated by estimated Baroque-engravers such as Heckenauer, Renner, Bodenehr and others.

[Beato & Robertson, ca 1856.] Original photograph. Side view of entrance to Valletta (Porta Reale), with two men standing on the arched entry bridge, offering perspective on the scale of the buildings. Behind the bridge is part of the fortification. Salted paper measuring 25,3 x 26,2 cm. "bridge of the Porta Reale / Malta" in contemporary hand to lower left corner. Mounted on cardboard measuring 35,5 x 43 cm with stamp and paperlabel to upper right corner, do not touch the photograph. Rare original photograph for the earliest part of Felice Beato's career where he worked closely with James Robertson, his brother-in-law. In 1853 Robertson began photographing with the British-Italian photographer Felice Beato and the two formed a partnership called Robertson & Beato either in that year or in 1854 when Robertson opened a photographic studio in Pera, Constantinople. Robertson and Beato were joined by Beato's brother, Antonio on photographic expeditions to Malta in 1854 or 1856."Felice worked especially closely with him [Robertson], consigning architectural views made in Malta and Constatinobel. We do not know when the collaboration between James Robertson and Felice Beato became a partnership. In some cases, some prints made from the same negative bear the signature "Robertson"; other bear the signature "Robertson & Beato", suggesting that Robertson was the author was the author of these negatives, and the prints were cosigned when the two men became equal partners." (Felice Beato, A Photographer on The Eastern Roas).

London, Thomas Man, 1624 & London, William Stansby, 1628 & 1629. Folio (280 x 195 mm). In contemporary full calf with five raised bands and ruled fillets to boards. Wear and scratches to extremities. Large dampstain to throughout, especially affecting first half of the bookblock. (4), 763, (38), (3), 500, (6) pp. Exceedingly rare early edition of Hieron’s collected works. “Hieron, Samuel a clergyman of the Church of England, somewhat inclined to Puritanism, was born in 1572, was educated at King's College, Cambridge, and was presented to the living of Modbury, Devonshire, which he held till his death in 1617. He was very eloquent as well as pious. His sermons, in two volumes, were published in 1635.” (McClintock and Strong Biblical Cyclopedia). Hieron published several works, including ”The Preacher's Plea” (1604) and “A Helpe unto Devotion” (1616). His collected works were published posthumously in 1614 and expanded in 1624–5 and 1635.

London, R.H. Laurie, 1838. Orig. printed boards, later rebacked with cloth. Stamp on title-page. VI,185,(1) pp. A few textillustrations (coastal profiles). Internally clean. Scarce first edition. Not in Sabin. - Sabin, 66690 (the sec. ed.).

(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.

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".

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.

Breslau und Leipzig, Korn, 1755. 4to. Contemp. full mottled calf. Raised bands. Gilt spine. Titlelabel with gilt lettering. Stamp on title-page. 262 pp., 41 (36 + 5) folded engraved plates. Some browning and scattered brownspots to plates and text. First German edition, translated and supplemented by G.D. von Gröben. The supplement by Gröben having 60 pages and 5 plates.

London, Baldwin, Cradock, and Joy, 1816 a. 1821. Bound in 2 uniform contemp. moiré boards. Light wear along edges and a fes smaller scratches. In: "Annals of Philosophy; or, Magazine of Chemistry, Mineralogy, Mechanics, Natural History... By Thomas Thomson.", Vol. VIII and New series Vol. I. VIII,479 pp. a. 9 engraved plates, VIII,479 pp. a. 7 engraved plates. (Entire volumes offered). Herapath's papers: pp. 56-60 (1816) a. pp. 273-293, 340-351 a. 401-416. First printing of these contoversial papers where Herapath revived the kinetic theory of gases. His theory was more or less neglected by the scientific community at his time. The kinetic theory remained dormant and forgotten after Euler's and Bernouilli's work "until 1816, when Herapath proposed a theory which is essential Bernoulli's. Unfortunately he chose to define temperature as being proportional to the momentum rather than the kinetic energy of molecules. Herapath was the first to show, more or less, that kinetic theory can provide simple explanations for the changes of state, diffusion, and the propagation of sound."(Trousdell "Essayas in the History of Mechanics", pp. 283 ff.).Euler, Bernoulli, Herapath and Waterston may be considered the principal scientists who prior to 1850 attempted a more or less complete mathematical treatment of gases, based on a set of molecular postulates. (Jamie Wisniak)."Having published a preliminary notice of his theory in the Annals of Philosophy in 1816, Herapath submitted a detailed account to the Royal Society in 1820. Davy, who was elected to the presidency of the Society in November of that year, was primarily responsible for the fate of the paper. Although Davy was already known as an advocate of the qualitative idea that heat is molecular motion, he found Herapath’s quantitative development too speculative and complicated; he rejected the hypothesis of an absolute temperature implying an "absolute zero" of cold. Having been told that his paper would not be accepted for publication in the Philosophical Transactions, Herapath withdrew it and published it instead in the Annals of Philosophy in 1821. Five years later he launched an attack on Davy in the Times of London, accusing him of circulating unfounded criticisms of his experimental work, which prevented its publication. Although Davy ignored a series of letters and challenges published in the Times, Herapath later claimed Davy’s resignation from the presidency of the Royal Society (1827) as a victory for himself."(DSB).

Leipzig, J.C. Hinrichs's Bokaverzlunar, 1862-64. (Ljosprentad, Optryk, Leipzig, Oscar Brandstetter, 1930). Lex8vo. Indbundet i 2 smukke hldrbd. af rødt chagrin. Rygforgyldning. XXXIV,666;VII,721 pp. Aldeles frisk eksemplar.

Small 4to. All original wrappers. No 86 of 320 "sur vélin pur fil Lafuma-Navarre", a total of 342. With 21 etchings and 11 original lithographies in colour. (Tableau contemporaines - No 6).

Kiøbenhavn, Thiele, 1787. Well-preserved copy on writing paper with red edges, bound in contemporary half calf with richly gilt spine. Joints and spine neatly repaired. Previous owner’s name on title page. With 6 engraved plates (on 5 sheets). XVI, 434 pp. First edition. One of the most sought-after works in Danish provincial topography and among the most extensive topographical descriptions of the 18th century. Authored by the renowned Icelander who eventually became customs officer in Skagen. Bibl. Danica II, 707.

Kiöbenhavn, Frederik Brummers Forlag, 1807-09. 8vo. To særdeles nydelige ensartede hellæderbind med stregforgyldning of forgyldt titel på rygge. Blår helsnit. Enkelte blade lidt brunplettede, men særdeles pæn og velbevaret. På skrivepapir. Med Jakob Jakobsens ex-libris på indersiden af forpermerne. Kobberstukket portræt af Callisen, efter Hornemans tegning, i bind 1. Kobberstukne titelblade. XX, 650; XXXII, 691 pp. Et usædvanligt nydeligt og velbevaret eksemplar af originaludgaven af denne klassiker, vor vigtigste kilde til kendskabet om Københavns sundhedstilstand, dens indretninger, renovation medicinalvæsen etc. i det 18. århundrede. Bibl. Danica I:762

Berlin, Weidmannsche Buchhandlung, 1928. 8vo. Full cloth, but spine gone. In: "Nachrichten von der Gesellschaft der Wissenschaften zu Göttingen aus dem Jahre 1927". (4),469 pp. Von Neumann's papers: pp. 1-57, pp. 245-272 a. pp. 273-291. Internally clean and fine. First printing of von Neumann's importent papers in which he gave a mathematically precise formulation of the foundation of Quantum MeChanics, basing the theory on the use of Hilbert spaces."He (von Neumann) developed between 1927 and 1929 a new mathematical framework of the theory subsequently proved to be the most suitable formalism of nonrelativistic quantum mechanics as we use it today, as well as of its extensions, the relativistic quantum mechanics of partcles and the quantum theory of fields."(Max Jammer "The Conceptual Development og Quantum Mechanics", pp.314-15"Von Neumann’s most famous work in theoretical physics is his axiomatization of quantum mechanics. When he began work in that field in 1927, the methods used by its founders were hard to formulate in precise mathematical terms; "operator" on "functions" were handled without much consideration of their domain or definition to their topological properties: and it was blithely assumed that such "operators," when self-adjoint, could always be "diagonalized" (as in th finite dimensional case), at the expense of introducing "Dirac functions" as "eigenvectors." Von Neumann showed that mathematical rigor could be restored by taking as basic axioms the assumptions that the states of a physical system were poinds of a Hilbert space and that the measurable quantities were Hermitian (generally unbounded) operators densely efined in that space. This formalism. the practical use of which became available after von Neumann had developed the spectral theory of unbounded Hermitian operators (1929), has survived subsequent developments of quantum mechanics and is still the basisi of non relativistic quantum theory; with the introduction of the theory of distributions, it has even become possible to interpret its results in a way similar to Dirac’s original intuition."(DSB).

Kbhvn., 1906-63. 1.-44. årg. indbundet i 20 solide hldr.-og hshirtbd., rest i hefter.

London : Printed for Robert Laurie and James Whittle, 1810. 4to (210 x 135 mm). In later half cloth with title in gilt lettering to front board. Three stamps to title-page and paper with light creasing throughout, otherwise fine. (4), 30, (2) pp. Rare first (only?) edition of this pilot.OCLC only locates two copies (British Library, National Library of Scotland).

Leipzig, Ambrosius Barth, 1901. 8vo. Bound in a nice contemporary half calf with red leather title label and gilt lettering to spine. In "Annalen der Physik", Vol. 6, 1901. Entire volume offered. Stamp to lower part of title-page. Upper front hindge with 3 cm long tear. otherwise a fine copy. Pp. 433-58. [Entire volume: VIII, 876 pp. + 3 folded plates]. First appearance of the account of Lebedev's seminal experiment proving that light exerts a mechanical pressure on material bodies thereby confirming Maxwell's electromagnetic theory for the very first time - a landmark discovery in modern physics. James Clerk Maxwell "made an important new prediction from his electromagnetic theory-that electromagnetic waves exert a radiation pressure. Bright sunlight, he calculated, presses on the earth's surface with a force of around 4 pounds per square mile [...] This was too tiny a value to be observable in everyday life and its detection posed a challenge to experimenters. Eventually, in 1900, the Russian physicist Pyotr Lebedev succeeded, and confirmed James' prediction. Although small on an earthly scale, radiation pressure is one of the factors that shape the universe. Without it there would be no stars like our sun. [The] discovery also helped to explain a phenomenon that had puzzled astronomers for centuries-why comets' tails point away from the sun" (Mahan, The Man who Changed Everything: The Life of James Clerk Maxwell, 183)."As early as 1891 Lebedev became seriously interested in the pressure of light. He turned his attention to the fact that since the force of gravity is proportional to the volume of a body whereas light pressure must be proportional to its surface, it may be asserted that in a particle of cosmic dust the forces of light pressure pushing the particle away from the sun will be equals to the force of gravity attracting it toward the sun. Lebedev used this theory to explain why comets'tails always point away from the sun. His hypothesis was considered correct until the discovery of the solar wind, which creates substantially greater pressure than the sun's light.Around 1898, Lebedev began experimental research on light pressure. Although its presence had been predicted by Maxwell's theory, it had not been detected experimentally before Lebedev. He first undertook research on the pressure of light on solid bodies. Because of the weakness of the effect itself and the considerable number of possible side effects, this experimental problem presented very great difficulties: if a body that is supposed to react to light pressure is placed in a gas, the warming of the body by the light will inevitably cause convection currents and thus set the body in motion. If the body is placed in a vacuum (in practice, in gas at very low pressure), the so called radiometric effect will occur. As a result of the uneven warming of the front and back of the body, the molecules of gas hitting the body from the front will be repulsed more forcefully than those striking the back, thereby exerting greater pressure. By extremely ingenious methods Lebedev succeeded in completely eliminating these side effects and not only detected the pressure of light but also measured it and showed the correctness of Maxwell's quantitative theory. "Opytnoe issledovanie svetovogo davlenia"("An Experimental Investigation of the Pressure of Light") was read by Lebedev at the International Congress of Physicists at Paris in 1899 and was published in 1901." (DSB)

Kjøbenhavn, 1872-1903. Indbundet i 32 ensartede samtidige hldrbd. med rygforgyldning. Ryge på enkelte af de første bind repareret med tape. 1 kapitæl fornyet, 1 indre fals itu. Alle bind med en papirsetiket nederst på ryg påsat med tape. Foldeplancher til hvert bind. (kort, planer m.v.).