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Leipzig, B.G. Teubner, 1886. 8vo. Original printed wrappers, no backstrip and a small nick to front wrapper. In "Mathematische Annalen. Begründet durch Rudolf Friedrich Alfred Clebsch. XXVI. [26]. Band. 3. Heft." Entire issue offered. Internally very fine and clean. [Klein:] Pp. 455-464. [Entire issue: Pp. 309-464]. First printing of Klein's paper on elliptic functions. "One of the leading mathematicians of his age, Klein made many stimulating and fruitful contributions to almost all branches of mathematics, including applied mathematics and mathematical physics. Moreover, his extensive activity contributed greatly to making Göttingen the chief center of the exact sciences in Germany. An opponent of one sided approaches, he possessed an extraordinary ability to discover quickly relationships between different areas of research and to exploit them fruitfully." (DSB).

Berlin, G. Reimer, 1830. 4to. As extracted from "Journal für die reine und angewandte Mathematik, 6. Band, 1830"., without backstrip. Fine and clean. [Gudermann:] Pp. 162-194. [Entire volue: Pp. 147-214]. First printing of Gudermann extensive and important second paper on hyperbolic functions. During 1830ies Gudermann focused his work on these functions and published extensive on the subject, the present paper being the first. It was later coined the Gudermannian function.The function was introduced by Johann Heinrich Lambert in the 1760s at the same time as the hyperbolic functions. He called it the "transcendent angle," and it went by various names until 1862 when Cayley suggested it be given its current name as a tribute to Gudermann's work in the 1830ies on the theory of special functions. The present paper together with two later published papers were collected in Theorie der potenzial- oder cyklisch-hyperbolischen functionen (1833), a book which expounded sinh and cosh to a wide audience.The issue also contain a paper by the famous Norwegian mathematician Niels Henrik Abel."Gudermann devoted much more attention to the theory of special functions. After the earlier works of Leonhard Euler, John Landen, and A. M. Legendre (Gauss's results were still in manuscript), Niels Abel's studies on elliptical functions, published mostly in A. L. Crelle's Journal für reine und angewandte Mathematik, represented an important divide in treating this area. In 1829 Carl Jacobi's book Fundamenta nova theoriae functionum ellipticarum was published. At the time Gudermann was one of the first mathematicians to expand on these results. Beginning with volume 6 (1830) of Crelle's Journal, he published a series of papers which he later summarized in two books: Theorie der Potenzialoder cyklisch-hyperbolischen Functionen (1833) and Theorie der Modular-Functionen und der Modular-Integrale (1844), which were to have had a sequel which was never written." (DSB).Gudermann is known today for being the teacher of Karl Weierstrass, who took Gudermann's course in elliptic functions in 1839, the first to be taught in any institute. Weierstrass was greatly influenced by this course, which marked the direction of his own research.

Bruxelles, chez Gerard, lithographe-éditeur, n.d. (ca. 1845). 4to-oblong. Orig. lithographed boards. Small nicks to spine. With 12 lithographed views (Lith. de Gerard). Faint dampstain to lower left corners of plates.

(London, Bulwer and Co., 1806). Large 4to. Without wrappers as extracted from "Philosophical Transactions of the Royal Society of London." Year 1806-Part I. Pp. 205-236 and 6 engraved plates. Fine and clean. Fist printing of this paper in which Herschel tries to investigate both the direction and the movement of the sun by comparing it with his observations of neighboring stars, following his investigations on the same subject from 1783 and 1805.

Paris, J. Dumaine, 1861. Contemp. hcalf. Gilt spine. Somewhat rubbed. A paperlabel pasted on upper part of spine.Stamps on titlepage. (6),250 pp. and 12 large folded engraved plates with many figs. Somewhat brownspotted.

Dresden, Waltherischen, 1783. Fine contemp. full calf. Raised bands. Richly gilt spine. Royal monogram in gold on red background on upper cover (Christian VII). Stamps on title-page. 174,(2) pp., 4 folded engraved plates. Clean and fine.

Hannover, Helwing'schen Hof-Buchhandlung, 1824. 8vo. Contemp. marbled boards. Wear to spine and along hinges. Part of titlelabel preserved. A stamp on titlepage. X,732,(1) pp. and 3 engraved plans (Rom). Plates with brownspots. A second part (Zweiter Theil) was published in 1828 after the death of the author with the title "Aus den hinterlassenen Papieren des Verfassers"

Hmbg.,1851. Nice later hcalf. Uncut. First edition.

(København), 1804. Kort over den sydvestlige del af Sønderjylland med Fanø og Manø. 53x88 cm. Tegnet for Videnskabernes Selskab af T. Bugge og F. Wilster 1804. Kortet er her originalt opdelt i 20 felter, opklæbet på lærred og foldet som rejsekort. Indlagt i marmoreret foderal.

Kbhvn., 1827. Samt. hldrbd. af flammet kalv. (8),212 pp. Lettere brunplettet.

4to. Wrappers with tears and loss of back. Block loose. 803 pp. Richly illustr. Small hole in inner margin of the first 3 leaves. Internally fine and clean, unopened.

Kiøbenhavn, Gyldendal (but printed in Sorø), 1774 & 1775. 8vo. Uniformly bound in two contemporary full calf bindings with four raised bands and richly gilt spines. All edges coloured in red. Some wear to extremities, spine-ends chipped and scratches to boards. Annotation to front free end-paper in vol. 1. Internally very nice and clean. (8), 599, (7), 438 pp. First edition of one of Schytte’s most famous work, the first extensive coherent exposition of constitutional law, political and economic matters relating to Denmark. Schytte was much influenced by Montesquieu. Biblioteca Danica II, 485.

London, W.Nicol, 1826. 4to. No wrappers as extracted from "Philosophical Transactions" 1826 - Part III. With titlepage to Part III.Pp. 423-482 and 3 engraved plates, of which 2 are larger and folded. A faint dampstain to margins of plates. James South " fitted up an observatory attached to his house in Blackman Street, Borough, with two equatoreals of respectively five and seven feet focal length, besides a first-rate transit instrument by Troughton Here he observed, jointly with John Frederick William Herschel, 380 double stars. In presenting him with the gold medal of the Astronomical Society in 1826, Francis Baily spoke of his ‘princely collection of instruments, such as have never yet fallen to the lot of a private individual’. In 1835 South removed his five-foot telescope to Passy, near Paris, where he came to know Humboldt and Arago, and convinced Laplace of the reality of revolving stars by ocular demonstration in the case of 70 Ophiuchi. He executed there in a few months what Herschel called ‘a noble series of measures’ on 458 compound stars, of which 160 were new ; and for these labours, together with his paper ‘On the Discordances between the Sun's observed and computed Right Ascensions,’ presented to the Royal Society on 8 June 1826 (the paper offered), was awarded the Copley medal in 1826. He was elected a member of the Royal Society in 1821.

Amsterdam, North-Holland Publ. Comp., 1967 8vo. Without wrappers (as issued). Offprint from "Nuclear Structure", 1967. Very fine and clean. 10 pp. Offprint of Aage Bohr and Mottelson's paper on Fermi Beta-decay. In 1975 the were both awarded The Nobel Prize in Physics "for the discovery of the connection between collective motion and particle motion in atomic nuclei and the development of the theory of the structure of the atomic nucleus based on this connection".

London, Crokatt, 1730. 8vo. In contemporary full calf with five raised bands and richly gilt spine. Gilt boarders to boards. Paper-label pasted on to top of spine. Parts of gilting to spine worn off. Ex-libris pasted on to pasted down front end-paper. Internally very fine and clean. (8), 462, (18) pp. + 1 folded map (by Moll) and 3 engraved plates. Third edition of vol. 11 of Salmon's extensive 'Modern History' containing information and maps on France. Salmon’s "Modern History” is an ambitious attempt to provide a comprehensive account of the world’s countries, their histories, and their contemporary states during Salmon’s time and stands as a monumental achievement in the history of 18th-century historiography. His work is a fine example of the Enlightenment's goal for cataloging and comprehending the world, offering a unique snapshot of global perspectives as understood by Europeans in the early modern period. It represents one of the earliest comprehensive attempts to document and analyze the state of nations worldwide.

(København, 1884). 8vo. In a recent half cloth binding. Nice and clean. 105 pp. Rare first edition of Warming's first attempt in life-form classification. The work is considered foundational for later developments in plant ecological morphology and life-form classification, and it laid important groundwork for Warming’s more famous 1895 textbook "Plantesamfund" which helped establish ecology as a scientific discipline. The classification was based on his meticulous observations while raising wild plants from seed in the Copenhagen Botanical Garden. Fourteen informal groups were recognized, based on longevity of the plant, power of vegetative propagation, duration of tillers, hypogeous or epigeous type of shoots, mode of wintering and degree and mode of branching of rhizomes. Johannes Eugenius Warming (1841–1924), commonly known as Eugen Warming, was a pioneering Danish botanist widely recognized as one of the founding figures of modern ecology. He authored the first textbook on plant ecology in 1895, introduced the first university course in the subject, and helped define the scope and content of ecological science. In 1975, ecologist R. J. Goodland asserted: “If one individual can be singled out to be honoured as the founder of ecology, Warming should gain precedence” ("The Tropical Origin of Ecology: Eugen Warming's Jubilee"). Warming wrote a number of textbooks on botany, plant geography and ecology, which were translated to several languages and were immensely influential at their time and later. Most important were “Plantesamfund and Haandbog i den systematiske Botanik”.

(Paris, Mallet-Bachelier), 1860. 4to. No wrappers. In: "Comptes Rendus Hebdomadaires des Séances de L'Academie des Sciences", Tome 50, No 1. Pp. (13-) 59. (Entire issue offered). Mendeléef's paper: pp. 52-54. First appearance of an importent paper in which he "recognized a relation between the molecular cohesion of a liquid and its chemical reactivity. The esterification of an alcohol by an acid occurs in such a way that the sum of the molecular cohesions of the products of the reaction (ester + water) is much greater than that of reacting substances, an idea later applied to the influence of solvents"(Partington "A History of Chemistry", vol. 4, p. 893).

Tübingen, 1817. 3 orig.boards. 540,552,532 pp.

Stockholm, 1872(-73). Samt. hldrbd. Ryg slidt, falsen revnet. Med orig. foromslag. Med dedik. til J. Reinhardt. (6),LXIX,187,12 pp., 1 litograf. planche. Zimmer p. 611. An exposition of the authors system of classification of birds. Numerous new genera and one new species are described in the work.

Rostok, Koppischen Buchhandlung, 1766. Lex8vo. Large uncut copy. Wrapper blank and without frontwrapper. (42),142 pp., Engraved portrait and titlevignette and 4 engraved plates.

(København, u. trykker, 1726). 4to. Orig. marmoreret omslag. (14),26 pp. Nederste højre hjørne af titelbladet bortklipper, intet tab af tekst. Originaltrykket. Tidligt dansk forsøg i en sammenfattende naturfilosofi hvis egentlige kerne er alkymistisk. - Bibl. Dan. I:895."Hans Himmerich, 1681-1735, politimester. Født i Ålborg, død på Halkær ved Nibe."

Kbhvn., 1971-74. 12 orig. hfableabd. m. smudsomslag.

Amsterdam, Wetstein & Smith, 1736. 8vo. In a nice contemporary Cambridge-style mirror binding with five raised bands and richly gilt spine. Super ex-libris to front board. Small paper-label pasted on to top of spine. A nice copy. (III)-LVI, 216 pp. + 1 folded map.

Paris, Baudouin Freres, 1827. Uncut in orig. printed blue wrappers. Some tears to wrappers, especially on spine. Scattered brownspots. Without the atlas with 6 plans and portrait.

Kiøbenhavn, Fr. Brummers Forlag, 1811. 8vo. In contemporary half calf with titlelabel in red leather with gilt lettering to spine. Front hindge loose and wear to spine. Internally fine and clean. (4), 268 pp. First printing of Treschow's propaedeutics in which he introduced his philosophy of civilization development.