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Zürich, Meyer und Zeller, 1844. 8vo. Contemp. hcalf. Richly gilt spine. Spine with tears along upper and lower hinges, spine ends worn. Covers still firm. VIII,469,(1) pp. and 8 lithographed plates, some folded). A faint stamp to titlepage and a stamp to page VII. Text clean, plates with some scattered brownspots. A few old annotations.

Leipzig, Hinrichs, 1802. Contemp. hcalf. Titlelabel with gilt lettering. Stamp on title-page. (2),222 pp. Some scattered brownspots.

(Leipzig, Barth), 1912. No wrappers. In: "Annalen der Phsyik", 4th series, vol. 39, No. 14. Pp. 705-896 (entire issue offered). debye's paper: pp. 789-839. Clean and fine. First edition"In his second outstanding paper (the offered item) Debye treated a solid as a system of vibrating atoms and modified Einstein's theory of specific heats, which had been only partially successful. He showed that the solid could be characterized by a complete spectrum of eigen-frequencies and that the specific heat of a monatomic solid was a universal function of the ratio theta/T, were theta is a tempature characteristic of the particular solid and T is the absolute tempature. Now commonly called the Debye temperature, theta could be calculated from the elastic constants of the solid. The Debye equation, involving the then recently developed quantum theory, gave agreement with observed specific heat values. Aside from a numerical factor, it differed from the Einstein equation in containg both the compressibility and and Poisson's ratio." - Dictionary of Scientific Biography, volume 3, p.619.

(London, W. Bulmer and Co., 1807 a. 1809). 4to. No wrappers as extracted from "Philosophical Transactions" 1807 - Part I. Pp. 180-233 a. 1 engraved plate., pp. 259-302 a. 3 large folded engraved plates. First appearance of the 2 first papers in which Herschel tried to establish his own theory of light."In a less happy venture into the physics of light, Herschel devoted three papers (1807-1810)- the two first offred here - to investigating the cause of colored concentric rings ("Newton's rings"). Ignoring the explanation already given by Thomas Young wherby the rings result from interference between light waves, Herschel ceriticized Newton' theory and attempted one of his own. he brought down on his head a storm of criticism, and this may have been a cause of his poor health at this period."(DSB VI, p.333).

Leipzig, Kummer, 1792. Contemp. full calf. Richly gilt spine. (24),368 pp. Internally clean, printed on good paper.

Bln.(1853). Cont.hcalf. Gilt back. Litogr.col.title.,VIII,318 pp. and 7 hand c010ured litogr.p1ts.by Th.Hosemann.

Bruxelles, 1885. Lex8vo. Nice hcalf with gilt back. 393, 443 pp.

(Paris, Moutard, Panckoucke, 1780). 4to. Extract from "Mémoires fe Mathematique et de Physique, Présentés à l'Academie des Sciences par divers Savans", Tome IX. Pp. 593-624 and 2 folded engraved plates. Clean and fine. First appearance of an importent papwer in the history of analytic geometry."In this article Tinseau gave an interesting generalization of the Pythagorean theorem for space of three dimensions: the square of the area of a plane surface is equal to the sum of the squares of the projection of this surface upon three mutually perpendicular coordinate planes....To Tinseau it appears that the use of the word "conoid" in the modern sense is due."(Boyer "History of Analytic Geometry, p. 207)."Two of the three memoirs that constitute Tinseau’s oeuvre deal with topics in the theory of surfaces and curves of double curvature: planes tangent to a surface, contact curves of circumscribed cones or cylinders, various surfaces attached to a space curve, the determination of the osculatory plane at a point of a space curve, problems of quadrature and cubature involving ruled surfaces, the study of the properties of certain special ruled surfaces (particularly conoids), and various results in the analytic geometry of space. In these two papers the equation of the tangent plane at a point of a surface was first worked out in detail (the equation had been known since Parent), methods of descriptive geometry were used in determining the perpendicular common to two straight lines in space, and the Pythagorean theorem was generalized to space (the square of a plane area is equal to the sum of the squares of the projections of this area on mutually perpendicular planes). (DSB). Although Tinseau published very little, his papers are of great interest as additions to Monge’s earliest works. Indeed, Tinseau appears to have been Monge’s first disciple.

Kopenhagen, Høst, 1914. 4to. Orig. printed wrappers. Uncut. Offprint from "Det Kgl. Danske Videnskaabernes Selskabs Skrifter" pp. 189-251. Clean and fine. First edition. The offprint-form."In his dissertation Strömgren derived the definitive orbit of Comet 1890 II, which, like most comets followed an approxiately parabolic form.This invstigation was the first of a series of papers on the original orbits of such comets - open or closed - and was a crucial work on the cosmogeny of comets. In "Ueber den Ursprung der Kometen" (the item offered), Strömgren concluded that all comets of which the orbits had been determined with sufficient accuracy for a decision about their return to be possible, have followed closed orbits.....about 30 years later his investigations formed the starting point for J.H. Oort's and A.J.J. van Woerkom's "discovwery" of the comet cloud far outside the planetary orbits."(DSB)

Leipzig, O.R. Reisland, 1907-02. Lex8vo. 2 contemp. hcalf. Gilt spines. Spines with wear. Frontcovwer on volume 2 loosening. Stamps on titlepages. VIII,604;957 pp. and 6 plates, some folding. Internally clean and fine. The original edition, not a reprint.

Amsterdam, Etienne-ledet & Compagnie, 1739. 2 contemp. full calf. Richly gilt spines, raised bands. Wear to top of spine and a tear to hinge at lower compartments. First titlepage with repairs after tears, no loss. (16),338;(2),307,(4),76 pp.

Kbhvn., 1830. Samt. hldrbd. med rygforgyldning. Forgyldningen lidt slidt. (8),230,(1) pp. samt 1 foldeplanche. Originaltrykket.

Göttingen, Dieterich, (1785-86). Bound in one contemp. hcalf. Titlelabel with gilt lettering. Spine rubbed. Stamp on first title-page. 192,(2);296,(2);188 pp., 2 engraved portraits, 8 folded engraved plates, 1 folded table. Scattered brownspots.

Paris, Delagrave, 1904-05. 4to. 2 contemp. hcalf. Gilt spines. Spines a litlle rubbed. 400,242 pp. Profusely illustrated.

Wittemberg, Godofr. Zimmemannum, 1712. Small 8vo. Contemp. full vellum. Gilt lettering to spine. Titlepage in red/black. Engraved portrait. (14),716 pp. + Index Epistolarum. Clean and fine.

Kjøbenhavn, Bianco Luno, 1880. 4to. Uden omslag som udkommet " Videnskabernes Selskabs Skrifter." Titlepage + pp. 409-613. samt 5 litograferede tavler med mange figurer. Tekstillustr. Originaltrykket af Lütkens hovedværk.

Glasgow, Edinburgh, London, Blackie & Son, (1838-40). Small 8vo. Bound in 3 cont. hcalf, raised bands. 6 engraved titles, 5 engr. views (brownspotted). Text occasionally brownspotted. A few leaves soiled. Lowndes II:1083.

Strasbourg, Jonas Lorenz, 1745. Uncut in contemporary marbled boards. Old owner name and stamp on title. Engraved frontispiece. (16),322,(4) pp. and 12 large folded engraved plates showing machinery of war from antiquity (catapults, ballistas etc.). Frontispiece and the first 3 leaves with a small wormtract. Internally fine and clean. First edition. - Rumpf No 87.

Lex8vo. Orig.omslag med dedikation. 88),228 pp., textillustr., 10 plates (incl. 5 fold. maps). Small tear in margins of 2 lvs. (Offprint from Meddelelser om Grønland, vol. 57).

Helmstädt und Leipzig, J.G. Müllerschen Budhhandlung, 1785. Small 8vo. Orig. printed blue wrappers, no backstrip. In: "Chemische Annalen...von Lorenz Crell", 17885:1. Bd., 2. Stück. (2),(99-) 192. - Scheele's papers: pp. 112-115 a. pp. 153-155. First appearance of 2 papers by the discoverer of oxygen. - The second paper, as a letter to Crell, criticises the view that fixed air is the source off all other acids, a view held by Landriani.- (Partington III:p. 231).

London, Hodder and Stoughton, 1910. 4to. Orig. full pictorial cloth, uncut, gilt medaillon-portrait of Peary on frontcover. Rebacked, preserving most of original spine. Edgewear and rubbed. Stamp on title-page. XII,326 pp., 4 photogravures (incl. frontispiece), 116 photographic plates and 1 folded map (repaired on verso). A few leaves at end loose. Internally clean. First edition.

Berlin, 1828. Cont.hcalf. XII,676 pp. Some stains and browning. Lower right corner of title lost, pp.81-82 lacking.

(London, Harrison and Sons, 1893). 4to. No wrappers as extracted from "Philosophical Transactions" 1892 - Vol. 183 - Series B., Pp. 311-370 a. 7 fine lithographed plates. textillustr. First printing of an importent work in the taxonomy of dinosaurs and extinct reptilia. Harry Govier Seeley was a British paleontologist who determined that dinosaurs fell into two great groups, the Saurischians and the Ornithischians, based on the nature of their pelvic bones and joints. He published his results from 1888 and onwards.

Wien, Anton Strauss, 1817. Contemp. hcalf. Gilt spine. Titlelabel with gilt lettering. A paperlabel pasted on upper part of spine. Stamps on title-page. XIV,294,(1) pp. and 5 folded lithographed plates (early lithography). Klaus Jordan, 1599.

Nürnberg, Göpners, 1745. Contemp. hcalf. richly gilt spine. Raised bands. A small tear in leather at lower part of backcover. Marbled edges. (16),256,(32) pp. Internally clean and fine.