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(London, W. Bulmer and Co., 1809). 4to. No wrappers as extracted from "Philosophical Transactions" 1809 - Part I. Pp. 105-145 and 3 fine engraved plates, showing instruments. First appearance of the importent description of the division of the circle, invented by Troughton.One of Troughton's most important contributions was a method of dividing a circle. His paper on this, An account of the method of dividing astronomical and other instruments by ocular inspection in the Philosophical Transactions of the Royal Society in 1809 won him the Copley medal of the Royal Society. In this invention is described in detail and also put into context. "Troughton made many contributions to the development of instrument making: in 1788 an improvement of Hadley's quadrant; in 1790 a mercurial pendulum; and in 1796 a refined version of the Borda, or reflecting circle. He was responsible for substituting spider web filaments for hair or wire in his optical instruments.....Troughton's most notable achievement was the improvement of the method of dividing a circle. His paper on this in 1809 won him the Copley Medal from the Royal Society, which elected him as fellow the following year."(DSB). - Poggendorff II: 1140.

Helsingfors, 1941. 8vo. Orig. wrappers. Back worn at top and bottom, otherwise a near mint copy. 258 pp. First edition of Wright's Ph.D. thesis, which is also his first publication. Wright was a famous Finnish philosopher, who succeeded Wittgensten as professor at the University of Cambridge. He played a very important role in the rise of formal logic, and his early works played an important part in analytic philosophy and philosophical logic. He is considered a leader of modern Finnish philosophy as well as an authority on Wittgenstein, the late works of whom he edited. His contribution to Anglo-American philosophy cannot be overlooked.

Berlin, Heinrich Frölich, 1805. 8vo. In contemporary half calf. Small paper-label pasted on to top of spine. Light wear to extremities. Internally with light marginal browning. LXXX, 751 pp. + 5 engraved plates. First edition.

Paris, Panckoucke, N.d. (ca. 1790). Large 4to. (30 x 23 cm.). Later hcloth. Wear to spine-ends. Printed part-title (septieme partie) and 100 (numb. 601-700) engraved plates (Scaltaglia dir). Between 1783 and 1792 Lamarck published three large botanical volumes (text and plates) for the "Encyclopédie méthodique par ordre des matières", a massive publishing enterprise begun by French publisher Charles-Joseph Panckoucke in the late 18th century.

Biponti (Zweybrücken), Typhographia Societas, 1783-84. 8vo. Bound in 5 contemp. full calf. Richly gilt spines. Spines somewhat worn. Covers rubbed.Titlepages with 5 engraved portraits. Internally clean.

Leipzig, Johann Ambrosius Barth, 1864. Without wrappers. In "Annalen der Physik und Chemie. Hrsg. von J.C. Poggendorff", Bd. 121, No 1. Pp. 1-192 a. 2 plates. (Entire issue offered). Clausius' paper: pp. 1-44. With titlepage to volume 121. First apperance of an importent paper in which Clausius shows that radiant heat is not an exception to the Second Law of Thermodynamics; - it is and answer to some suggested counter-entropic processes."In 1864 he answered it in a long and detailled paper in which he made use of Kirchhoff's recent work on heat or blackbody radiation. Clausius' conclusion was unambiguous: radiant heat was no exception to the second law and it could not provide a means for escaping the heat death."(Helge Kragh "Matter and Spirit in the universe..", p. 48.

Berlin, Springer, 1930. 8vo. Bound in contemporary half cloth with gilt lettering, In "Zeitschrift für Physik", Band 62, 1930. Entire issue offered. Two stamps to title page, otherwise fine. Pp. 188-200. [Entire volume :VIII, 801 pp]. First printing of this important paper containing the first appearance of the Landau-Peierls wave function. "Landau and Peierls argued that field measurements could not be performed unambiguously and hence that current quantum electrodynamics was inconsistent. The Landau-Peierls criticism caused concern until 1933, when Bohr and Rosenfeld showed that the consequences of quantrum electrodynamics were consistent with the best possible measurements of electromagnetic field quantities. (Kragh, Quantum Generations).

Paris, L'Imprimerie Royale, 1833. 4to. Contemp. hcalf. Gilt spine. Gilt lettering. Stamp on title-page. (4),138 pp., 2 large folded engraved maps/plans. Clean and fine, printed on thick paper.

Kiøbenhavn, Berling, 1769. 4to. I et samtidigt hellæderbind med fem ophøjede bind, ryg med rig forgyldning. Ryg slidt og false svage, ellers pænt eksemplar. (12), 356, (1) pp. + 7 foldede tabeller. Originaludgave. En fortættelse udkom i 1770; "Om de Nordiska folks ældsta oprindelse".Bibl. Danica. III, 29 Warmholtz 1247

Madrid, Libreria de la Publicidad, 1847. Small 8vo. Bound in 5 uniform contemp. full mottled calf. Gilt spines. Titlelabels with gilt lettering. Textvolumes (4 parts) bound in 3. With music and 5 folded lithograped plates. Platevolumes with 106 + 66 mostly folded lithographed plates. Clean and fine.

Berlin, J.M. Voicke, 1826. Contemp. hcalf. Gilt spine. Titlelabel with gilt lettering. A paperlabel pasted on spine. Stamp on title-page. XII,146,(2) pp. and 4 large folded engraved plates (katadioptrische Visirlineal etc.). Some brownspots to title-page, otherwise clean and fine. Poggendorff II,271.

Leipzig, Johann Ambrosius Barth, 1852. Without wrappers as issued in "Annalen der Physik und Chemie. Hrsg. von J.C. Poggendorff", 86. Bd., Drittes Stúck ("Heft" No 7, 1852). Entire issue offered. Pp. 337-500. Clausius' paper: pp. 337-375. Clean and fine. First appearance of one of Clausius' early papers on the first and second Law of Thermodynamics, marking his rejection of the caloric theory of heat, providing a new mechanical explanation of the concepts of free and latent heat.

Kjøbenhavn, 1832-36. 3 samtidige hldrbd. med rygforgyldning. Stempel på titelblade. 446,368,395 pp. samt 2 foldetabeller og 9 udfoldelige kobberstukne plancher. Indvendig velbevaret. Disse tre bind er forløberen for Aarbøger for Nordisk Oldkyndighed og Historie, og repræsenterer starten på Danmarks første arkæologiske tidsskrift. - Heri bl.a. meget andet Werlauffs store afhandling "Biographiske Efterretninger om Arne Magnussen, Bd. 3 pp. 1-166. Yderligere afhandlinger om Grønland og Island, topografi og arkæologi m.v. samt efterretningerne om de første arkæologiske udgravninger i Danmark og Norge.

Berlin, Boicke, 1826. Contemp. hcalf. Gilt spine. Titlelabel with gilt lettering. A paperlabel pasted on spine. Stamp on title-page. XII,146 pp. + Publischer's Announcements (2) pp., 4 large folded engraved plates. Clean and fine, printed on good paper. First edition. - Poggendorff II,271.

London, C. Wilson, 1849. 8vo. In contemporary (Original?) coardboard binding with cloth backstrip. Three stamps to front board. Three small stamps to title-page. Wear to extremities, and internally fine. XX, (2), 260 pp.

Leipzig, Fleicher dem Jüngern, 1798-99. Small 8vo. 3 contemp. hcalf. Gilt spines. Titlelabels with gilt lettering. A paperlabel pasted on spines. Stamp on title-pages. VI,302,(1);(4),458;(4),212 pp.

Frankfurt am Main, Hermannschen Buchhandlung, 1819. Uncut in 2 cont. blank blue boards. Stamp on titles and verso of. XXIV,310,(2);XVI,352,(4) pp. Somewhat brownspotted. First edition.

(Berlin, Haude et Spener, 1748). 4to. No wrappers as issued in "Memoires de L'Academie Royale des Sciences et des Belles Lettres.", Tome II, pp. 117-140 and 2 folded engraved plates. First printing. "Euler rejects the view of de Mairan that the zodiacal light is the cause of the tails of comets and the northern lights; instead Euler argues that zodiacal light is the results of particles emanating from the sun, the tails of comets is the results of particles emanating from the bodies of the comets, and that the northern lights is the results of particles emanating from the earth...he also infers the existance of a solar atmosphere from the existance of sun-spots. He calculates the form of the solar atmosphere and arrives at a cubic equation." (Based on Aiton's introduction to Opera Omnia). Enestrom: 103.

Stockholm, Albert Bonniers Förlag, (1963). Folio. (35 x 26,5 cm). Originalt rødt hellæderbind med helt guldsnit, forgyldt rygtitel og stort forgyldt kors på forpermen. 1248 pp. samt bibelatlas med 18 kort. Talrige farveplancher. Forrest 8 blade, ubeskrevet men ment som Familjekrönioka. Rent, frisk eksemplar.

Leipzig, Ambrosius Barth, 1927. 8vo. In contemporary full cloth with gilt lettering to spine. In "Annalen der Physik", Band 82. Entire volume offered. Library stamp to pasted down front free end-paper. Traces after a paper label to lower part of spine. A fine and clean copy. Pp. 257-64; Pp. 265-73. [Entire volume: VIII, 1168 pp. + 14 plates. First appearance of Schrödinger's famous treatment of the Compton effect."Schrödinger approached the wave mechanical treatment of the Compton effect in his own paper [the present] on a far less technical level [than Gordon]. He practically went back to the optical analogies that had stimulated the whole development in November 1925, and in which the properties of microscopic particles were described by matter waves and their propagation in homogeneous media. From such consideration, he now - a year later - drew the following conclusion: "It is to be expected, nay, even demanded, that we should be able, by means of quite simple phase considerations…, to explain the connection between the changes in direction and frequency of the ether wave which occur in the Compton effect and the change of velocity of the electron." (Mehra, The Historical Development of Quantum Theory)"Compton was able to account for this (lenghtening of wavelenght) by presuming that a photon of light struch an electron, which recoiled, subtracting some energy from the photon and therefore increasing its wavelenght. This made it seem that a photon acted as a particle: thus after more than a century, the particulate natuer of light, as evolved by Newton, was revived... What itamounted to was that Compton brought to fruition the view that electromagnetic radiation had both a wave aspect and a particle aspect, and that the aspect which was most evident depended on how the radiation was tested. De Broglie was, at the same time, showing that this held true also for ordinary particles, such as electrons." (Asimov)

Hannover, 1871-73. 2 cont. modest hcloth. orig. wrappers as covers. Back on vol. I defective, repaired with tape. Uncut. Annotations mostly in vol. I. (4),377,XXVI,464 pp. Wood p. 546 (only vol.I). First edition.

(Paris, Bachelier, 1838). 4to. No wrappers. In: "Comptes rendus hebdomadaires des séances de l’Académie des sciences", Vol. 7, No 11. Pp. (543-) 601. Morse's paper: pp. 593-95. Steinheil's paper: pp. 590-593. A faint dampstain in upper margin, otherwise clean and fine. First printing of Morse's French announcement of his first successfull display of his invention at an 1838 exhibition in New York (January 6) where Morse transmitted 10 words per minute. He had retired his number-word dictionary, using instead the dot-dash code directly for letters. Although other changes would eventually be made, the Morse Code that would become standard throughout the world had been born. In the paper he also gives full credit to Carl August von Steinheil for his discoveries concerning the electrical telegraph.In the paper Steinheil describes his own telegraph and its predecessors. In reality, Steinheil's telegraph was the first recording telegraph, and it predating Morse.

Copenhagen, 1940-45. Royal8vo. and folio. 364,19 pp. and atlas with 21 plates in folio. Dedication from Lauge Koch on upper wrapper. (Meddelelser om Grønland Bd. 130 - Nr 1).

WW Norton & Company, Inc., (1930). Royal 8vo. Orig. green full cloth w. gilt lettering to spine, traces of wear. Some spots to boards; capitals and corners a bit bumped. One leaf w. a hole, not affecting text. XII, (2), 325 pp. First edition of this classic in the development of philosophical Realism in the United States. Arthur Oncken Lovejoy (1873-1962) was one of the leading American Critical Realists and an influential intellectual historian, who founded the field of "history of ideas".In his seminal "Revolt Against Dualism", Lovejoy sets out to state and defend epistemological dualism against direct theory of perception. Lovejoy claims that such a dualism, as opposed to the views of Idealism or other forms of Realism, is rooted in our human nature, and as such it can be validated by philosophical reflection upon this nature. With the ownership signature of Samuel Skulsky, the famous Jewish philosopher of science and logic.

N.Y., Halcyon House (Scribner's Sons), (1932). Orig. black full cloth w. gilt and red-coloured decoration to spine. Author's signature in gilt on front board. Coloured frontispiece ("The Bullfighter" by Juan Gris). Many black/white illustr. (of bullfighting). Minor wear to capitals. Internally, nice and clean. A rare reprint-edition from the same year as the first edition.