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Kbhvn., 1821-22. Ubeskåret i 3 originale blå hollanderede bind. Bogtrykte titeletiketter på rygge. Rygge noget slidte på bd. 1-2. 392,410,584 pp. Med egenhændig dedikation i hvert bind. 1.Bd.: "Til min Kiære Ven F.P.A. Dahl/ fra/ C. Molbech" - 2. Bd.: "Hr. Overlærer Dahl/ venskabeligst fra Forfatteren" - 3. Bd.: "Til min Kiære og Troe Ven A. Boÿe/ med Hengivenhed/ fra C. Molbech."

Wien, Geitler's Verlagsbuchhandlung, 1866. Bound in one contemp. hcalf. Gilt spine. Gilt lettering. Stamp on title-page. (4),426,(2);(2),335,(1);(2),342,(1) pp. Clean and fine.

Gera-Untermhaus, (1902). Folio. Contemp. hcalf. Spine gilt. Some wear to spine. Stamp on titlepage. Internally clean.(4),408 pp.and 34 (each 38x28 cm.) fine chromolithographed plates, 4 of which depicts the eggs. Anker no.356. The old text from the edition in 1822-60 has been preserved unaltered, corrections in footnotes. The figures for all the plates have been re-drawn and show the birds in their natural surroundings. Among the many artists are O.Kleinschmidt, J.G. Keulemans, O. van Riesenthal and others. The eggs are figured in a series of special plates, based on Eugene Rey's Collection.

(London, Richard Taylor and William Francis, 1853) 4to. No wrappers as extracted from "Philosophical Transactions" 1853, Vol. 143 - Part III. With the titlepage to Vol.153 - Part III. a. pp. 397-406. Clean and fine. First printing of a main paper of the founder (together with Cayley) of the theory of algebraic invariants. This theory involved a more general theory of "covariants", more concretely, given a binary form of a particular degree, Sylvester and Cayley devised techniques both for explicitly finding invariants and covariants of that form and for determining algebraic relations, or "Syzygetic", between them. Sylvester tackled these problems in the paper offered, and proving among other results "Sylvester's Law of Inertia.""Another problem of great importence investigated in two long memoirs of 1853 and 1864 (the paper offered) concerns the nature of the roots of quintic equation. Sylvester took the functions of the coefficients that serve to decide the reality of the roots, and treated them as coordinates of a point in n-dimensional space. A point is or is not "facultative" according to whether there correspons, or fail to correspond, an equation with real coefficients. The character of the roots depends on the bounding surface or surfaces of the facultative regions, and on a single surface depending on the "discriminant."(DSB XIII, p. 219).

(Paris, Gauthier-Villars), 1946). 4to. No wrappers. In: "Comptes Rendus Hebdomadaires des Séances de L'Academie des Sciences", Tome 222, No 24 a. 25. Pp. (1361-) 1416 a. pp. (1417-) 1464. (2 entire issues offered). Leray's papers: pp. 1366-1368 a. pp. 1419-1422. First printing of these two landmark papers in topology. Dieudonné later wrote "undoubtly rank (the papers) at the same level in the history of mathematics as the methods invented by Poincaré and Brouwer"."These two Comptes Rendus notes of Leray from 1946 introduced the novel concepts of sheafs, sheaf cohomology, and spectral sequences, which he had developed during his years of captivity as a prisoner of war. Leray's announcements and applications (published in other Comptes Rendus notes from 1946) drew immediate attention from other mathematicians. Subsequent clarification, development, and generalization by Henri Cartan, Jean-Louis Koszul, Armand Borel, Jean-Pierre Serre, and Leray himself allowed these concepts to be understood and applied to many other areas of mathematics....." (List of importent publications in mathematics).

2 samt. helldrbd. med rygforgyldning. Ryg og kapitæler slidt. (8),XLVIII,1134 pp. + Index Rerum ac Nominum. Portrættet mangler. Noget brunplettet. Dette er 2. udgaven af W's lærde korrespondance, fortrinsvis med udenlandske lærde. Udgaven er foranstaltet af Luxdorph, Langebek og Hielmstierne.

Berlin, Springer, 1932. 8vo. Bound in contemporary half cloth with gilt lettering, In "Zeitschrift für Physik", Band 75, 1932. Entire volume offered. Two stamps to title page, otherwise fine. Pp. 622-647. [Entire volume: VIII, 850 pp + frontiespiece]. First appearance of Fock's seminal paper in which he introduced his algebraic construction used in quantum mechanics to construct the quantum states space of a variable or unknown number of identical particles from a single particle Hilbert space, often referred to as Fock space. Technically, the Fock space is (the Hilbert space completion of) the direct sum of the symmetric or antisymmetric tensors in the tensor powers of a single-particle Hilbert space H."Between 1928 and 1934, Fok obtained important results in the quantum field theory. He completed the mathematical method of secondary quantization proposed by Paul A.M. Dirac and developed by Pascual Jordan and Eugene Wigner. It has been shown that this method does not go beyond the traditional framework of quantum mechanics (as Jordan argued) and that the two ways of description are completely equivalent. As early as 1934 Fok suggested describing a system with a variable number of particles (bosons) in the representations of the secondary quantization with the aid of a generating functional ("Fok’s functional").In his papers Fok introduced a number of new notions. such as "the Fok space" (a Hilbert space in the representation of secondary quantization). In papers written with Dirac and Boris Podolsky (1932), Dirac’s results on interaction of charged particles by the exchange of virtual photons were extended. The one-dimensional problem solved by Dirac was generalized to the realistic three-dimensional case: the multitime formalism of Dirac, Podolsky, and Fok was introduced; and quantum electrodynamics was formulated in its modern form." (DSB).

London, John W. Parker, 1843. Bound in a fine contemp. red full calf, richly gilt spine, covers profusely gilt a la cathedrale. All edges gilt. Inside gilt borders. Signed "Hayes. Binder. Plymouth" on bottom of inside frontcover. XIII,226 pp., 2 plates, textillustrations. Clean and fine. First edition. "Sir William Snow Harris was an English physician and electrical researcher, nicknamed Thunder-and-Lightning Harris, and noted for his invention of a successful system of lightning conductors for ships. It took many years of campaigning, research and successful testing before the British Royal Navy changed to Harris's conductors from their previous less effective system. One of the successful test vessels was HMS Beagle which survived lightning strikes unharmed on her famous voyage with Charles Darwin."(Wikipedia).

Weimar, Landes=Industrie=Comptoirs, 1807. Unbound, but stitched. XXXII,488 pp., 1 large folded engraved map. Some brownspots to map and with two tears, no loss. A few scattered brownspots. First German edition of "Voyage de la Yerre-Ferme, dans l'Amerique mériodinale, fait pendent les Annnées 1801, 1802, 1803 et 1804. Paris, 1806.". (Bibliothek der neuesten und wichtigsten Reisebeschreibungen...hrsg. von M.C. Sprengel, fortgesetzt von T.F. Ehrmann, 34. Bd.: 1. Theil). Also having the sereis titlepage, this with a stamp.- Sabin: 16646.

Amsterdam, Ex officina Elzeviriana, 1636. 12mo. Contemp. hcalf. Gilt spine. Titlelabel with gilt lettering. Slightly rubbed. Engraved title-page (mounted). (40),411,(43) pp. A few leaves with numbering in margin. Internally clean. "Cette edition, dont le texte a été revue par Dan. Heinsius, est un chef-d'oeuvre typographique, mais laisse malheureusement beaucoup à désirer au point de vue de la correction." (Willems No 450 with a long note).

København & Hørsholm, 1932-54. Small folio. All nine issues in the original printed wrappers. In excellent condition. With numerous maps and plans. "...the maps from the Danish Meteorological Institute. These are remarkable for their information value and because they represent a cooperative international effort to report ice conditions in a systematic way that was sustained over decades." (Florence Fetterer: Piecing together the Arctic's sea ice history back to 1850, in: Carbon Brief). "These charts, created by the Danish Meteorological Institute (DMI), provide observed and inferred sea ice extent for each summer month from 1893 to 1956. From 1893 to 1956, the Danish Meteorological Institute (DMI) created charts of observed and inferred sea ice extent for each summer month. These charts are based on compiled observations of ice conditions reported by a variable network of national organizations, shore-based observers, scientific expeditions, and ships as detailed in each report; in cases where no observations were available, the lead mapmakers extrapolated further ice cover using their knowledge of ice movement." (DMI - Danish Meteorological Institute). The early surveillance of the Arctic Sea Ice has been of immense importance to the development of climate change science. It is the cause of the determination of global warming and the primary proof we have of the deterioration of sea ice, the heating of the oceans and the rice of Arctic temperatures. These seminal charts constitute one of the very most important sources to our understanding of this world-threatening phenomenon. "Over the last three centuries, geographers, oceanographers, geophysicists, glaciologists, climatologists, and geoengineers have shown great interest in Arctic Ocean sea ice extent. Many of these experts envisaged an ice-free Arctic Ocean. This article studies three stages of that narrative: the belief in an ice-free Arctic Ocean, the potential for one, and the threat of one. Eighteenth and nineteenth century interest in accessing navigable polar sea routes energised the belief in an iceless polar sea; an early twentieth century North Hemispheric warm spell combined with mid-century cold war geostrategy to open the potential for drastic sea ice loss; and, most recently, climate models have illuminated the threat of a seasonally ice-free future, igniting widespread concerns about the impact this might have on Earth's natural and physical systems. This long narrative of an ice-free Arctic Ocean can help to explain modern-day scepticism of human-induced environmental change in the far north." (An ice-free Arctic Ocean: history, science, and skepticism).

Uncut, orig. wrappers. No 228 of 980 "sur velin du Marais", a total of 1100 copies. With 44 fine coloured etchings by Laborde (enlumineur J. Saudé).

Hamburg, Bohn, 1770 (vol. 1) & 1769 (vol. 2). 8vo. Uniformly bound in two contemporary full calf bindings with four raised bands and gilt lettering and ornamentation to spines. Wear to extremities, some of gilting worn off. Spine-ends with a bit of loss of leather. Ex-libris pasted on to pasted down font end-paper (F. v. Iuel). Internally nice and clean. XX, 1672, (168) pp.; (16), 1460, (176) pp. Sixth edition of Büsching’s magnum opus. Its "merit lies in providing a description of the earth on a scientific foundation. Even if he only captured it political-statistically without discussing it physically, that is to say, from the historical and not from the natural scientific point of view, his work remains a great achievement" (cf. NDB)

Trykt i dette Aar (= Kbhvn., 1728). Samt. helldrbd. m. brugsspor. Rygforgyldn., stregbordurer i guld på samt blindtrykte rammer på permer. Hjørner stødte, kapitæler slidte. Lidt brunplettet. Mangler portrættet af Dorothea. M. 13 af de 14 træskårne plancher (mgl. pl.9). Det såkaldte 2.eftertryk. Med varianttitelbladet til 4.bog.Ehr.-M. XI:22 ff.

Göttingen, Röwer, 1802. Contemp. full calf. Gilt spine. Titlelabel with gilt lettering. A few cracks to spine. Stamp on title-page. XIV,656 pp. With both title-page (English a. French). Text in Frenchh. Comments in German. A few scattered brownspots.

(Paris, Gauthier-Villars, 1900). 4to. No wrappers. In: "Comptes Rendus Hebdomadaires des Séances de L'Academie des Sciences", Tome 130, No 15 a. No 18. Pp. (962-) 1044 a. pp. (1145-) 1220. Entire issues offered. Stamp on first pages. A few tears to margins. Poor paperquality, fragile. Villard's papers: pp. 1010-1012 a. 1178-1182, textillustrations. First apperance of Villard's two papers in which he announced and described the discovery of a new type of radiation more powerfull and penetrating than alpha-and beta rays. The new type of rays was named by Rutherford as gammarays."His (Villard)experiments in radioactivity led to the unexpected discovery of gamma rays in 1900. Villard recognized them as being different from x rays because the gamma rays had a much greater penetrating depth. He had discovered they were emitted from radioactive substances and were not affected by electric or magnetic fields. These came to be called gamma rays by another scientist, Ernest Rutherford. It wasn't until 1914 that Rutherford showed that they were a form of electromagnetic (EM) like light only with a much shorter wavelength than x rays. Now we know that gamma rays are a form of EM radiation similar to x rays. Gamma rays tend to have a higher energy and a shorter wavelength than x rays do. However, the dividing line between these two forms of radiation is not clearly defined. Scientists typically apply the term gamma ray to EM radiation with energies above several hundred thousand electron volts." (Hps - Healt Physics Society). - See Sigmund Brandt "The Harevst of a Century", Episode 6, p. 24 ff.).The issues contains other importent papers HENRI BECQUEREL "Note sur la transmission du rayonnement du radium au travers des corps", pp. 979-984 and "Sur la transparance de l'aluminium pour le rayonnement du radium", pp. 1154-57. P. CURIE et G. SAGNAC "Électrisation négative des rayons secondaires produits au moyen des rayons de Röntgen", pp. 1013-1016.

Paris, 1838-49. 8vo. Uncut with orig. wrappers. In all 106 parts with ab. 70 engraved plates.

4 cont. hcalf. Gilt backs. Vol. 4 not quite uniform. Containing around 120 partly folded maps. Stamp on titles.

(Stockholm: Moderna Museet, 1968). 4to. Original pictorial wrappers, printed in pink, yellow, orange, and green, after Warhol's "Flowers". Lettered in black on spine. Lacks 3 cm. of upper part of spine. Corners a bit bent. Small tears at at hinges in top and bottom of covers. First 8 leaves with text, the remaining more than 300 leaves full of black-and-white full-page illustrations. Some 20 leaves in the middle of the ook loose with edges frayed and one leaf torn loosing a bit of outher margin. First edition, first printing, of the famous Warhol Stockholm-catalogue, which, a part from its obvious artistic value, played a main part in the "Brillo Box-scandal". It is also in this catalogue that the seminal photographs of the Factory, by Stephen Shore and Billy Name, appear for the first time, along with at least one of his most famous quotations (perhaps THE most famous and most frequently quoted): "In the future everybody will be world famous for fifteen minutes".The exhibition in Stockholm was Warhol's first international retrospective exhibition and as such one of his most important ever."This book was published on the occasion of the Andy Warhol exhibition at Moderna Museet in Stockholm February-March 1968. Editing: Andy Warhol, Kasper König, Pontus Huntén, Olle Granath. Typograhy and production: John Melin, Gösta Svensson, Stig Arbman AB, Malmö. Blocks and print: Sydsvenska Dagbladets AB, Malmö, December 1967 - January 1968." (verso of title-page). Photographs by Stephen Shore and Paul Schiff, documenting Warhol's early work.

Paris, Cramosiana, 1658. 8vo. In contemporary limp vellum with author in contemporary hand to spine. Soiling and a few stains to extremities. Small paper-label pasted on to top of spine. Vellum detached from outer margin on front board. Internally with a few light dampstains. (24), 573 pp. Revised edition by the French Jesuit Philippi Labbe (1607-1667) of an early bibliographical survey of ecclesiastical writers by R. Bellarmino (1542-1621), first published in Rome in 1613.

London, Longman, Brown, Green, and Longmans, 1845. Small 4to. Later full cloth. Titlelabel in leather. Lithographed portrait as frontispiece. XI,363 pp., 1 lithographed portrait, 1 mezzotint plate by Constable: Spring. The plates having a small stamp outside the image. Text clean.

Madrid, Patrimoni Nacional, 1946. Large 4to. Uncut in orig. printed wrappers. VII,303,CXCIX pp. and 193 plates in collotype. No. 735 of 1000 copies. On fine paper.

Paris, 1650. 12mo. In contemporary limp vellum. Paper-label pasted on to top of spine. Small tear to spine, otherwise a nice and clean copy. (2), 333, (3), 96 pp. The uncommon first edition of the account of the trial of Louis de Marillac who was decapitated on 10 May 1632 at the Place de Grève in Paris. The present work function as part two of “Memoires du cardinal de Richelieu”, but is a separate work in itself.

Paris, Chez Crochard, 1827. Contemp. hcloth. Gilt lettering to spine. In: "Annales de Chimie et de Physique, Par MM. Gay-Lussac et Arago.", Series 2, Tome 34. 448 pp. a. 1 folded engraved plate. (Entire volume offered). Scattered brownspots.Savary'spaper: pp. 5-57 and pp. 220-221. First printing of Savary's importent paper, the phenomena investigated here helped Joseph Henry to discover sel-induction, and it was Savary who was the first to describe in this paper his hypothesis of the oscillatory nature of the discharge of a Leyden jar connected to an inductor. In his Mémoire, he documented the experiments which helped lead to his conclusion of the oscillatory discharge of the Leyden jar, which Joseph Henry expanded upon fifteen years later in America while working on his experiments in induction."Savary inferred that a charged Leyden jar would discharge in a damped oscillatory manner. This inference was based on observations of magnetization of short thin steel needles. Here needles were placed at varying distances near (and perpendicular) to a 2-meter-long wire loop used to discharge the Leyden jar. Magnetization of the needles would reverse direction (up to three times) as a function of distance from the wire in the loop. (Needles were placed close to the wire starting from a fraction of a mm to about 1 cm away.) Joseph Henry was stimulated by Savary's observation. Henry repeated Savary's work starting in 1835 and then extended it to magnetizing steel needles in a secondary circuit. Henry published his findings in 1842. Henry placed a steel needle in a spiral in a secondary circuit and removed the secondary circuit to a distance of 30 feet. The magnetizing of a steel needle at this distance is evidence of high frequency transmission and detection. We are working to determine the general range of frequencies of oscillation in Henry's study, but it appears to be near 6 MHz. At 6 MHz the wavelength of the radiation is 50 meters (150 feet), so Henry's observation of magnetization at a distance of 30 feet corresponds to the near field. This remote magnetization is evidence of high-frequency induction rather than radio transmission as is sometimes suggested." (Princeton.edu)The volume contains other notable papers by Gay-Lussac, Mosander, Boussingault et al. and CLAUDE NAVIER'S importent paper "Sur le Mouvement d'un fluide élastique qui s'écoule hors d'un réservoir ou gazomètre", pp. 400-407.

Freyberg, Samuel fr. Barthel, 1781. 4to. Cont. hcalf., 5 raised bands, gilt back. Upper compartment of back repaired. Titlelebel gilt. (8),359,(15) pp. and 9 large folded engraved plates (plans etc.). Stamp on enpaper. Scattered brownspots. First edition, forming IV. Stück (vol. 4) of Tielcke's "Beyträge zur Kriegs=Kunst und Geschichte des Krieges von 1756. bis 1763." - Also with the general titlepage with engraved vignette.