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Holmiæ, Imnelius, 1819. 8vo. Bound in a contemporary full cloth binding with gilt spine. Water stains to first and last leaves. Scattered brownspots. 8,286,(2) pp. First edition. Hjelmslev I, 28; Fiske I, 483; Klose, 4197.

Paris, Ludovic Baschet, 1878. Folio. Orig. hcalf. Spine richly gilt. Gilt lettering to frontcover. Small tear to hinge at spine ends. Inner hinge weakening. Many textillustrations. 31 plates of which 5 in photogravure, 3 mounted photographs. The opening page to each artist having an orig. mounted photograph of the artist.

Paris, Gauthier-Villars et Cie, 1926. 4to. Without wrappers. In: "Comptes Rendus Hebdomadaires des Séances de L'Academie des Sciences", Tome 183, No 1. Pp. (5-) 100. (Entire issue offered). Brillouin's paper: pp. 24-26. First appearance of Brillouin's importent paper in which he introduced the WKB-method in quantum Mechanics."In 1925 Brillouin was the only French theoretician to react competently to Werner Heisenberg’s new matrix mechanics. In two papers published in 1926, he contributed to the exploration of the mathematical content of Heisenberg’s theory. Brillouin’s first contribution in this field was important (the paper offered). Through a new method of semiclassical approximation, he discovered the relation between Schrodinger’s mechanics and the quantum theory of Niels Bohr and Sommerfeld. Presumably inspired by de Broglie’s early analogies between mechanics and optics, he found this approximation as the quantum mechanical counte)t of the approximation. In this procedure, stationary solutions of the Schrödinger equation are sought in the form eiS/h (as in the eikonal approximation of optics). In the first approximation (h small), S must be a solution of the Hamilton-Jacobi equation of classical mechanics, and the Bohr-Sommerfeld conditions (S = 2pnh on a closed trajectory) must be satisfied for the W function to be defined and singlevalued in all space. Subsequent corrections are proportional to successive powers of h. They intermix the various Bohr trajectories. thereby reintroducing the complex interplay of quantum states found in matrix mechanics, This method, published by Brillouin in July 1926 - anticipated by Harold Jeffreys in 1923 in a purely mathematical context, reinvented by Gregor Wentzel in September 1926. and perfected by Hendrik Kramers in November 1926 - is now called the (J) BWK method and is widely used in many quantum mechanical problems."(DSB).See also Max Jammer "The Conceptual development of Quantum Mechanics", pp. 277 ff.

La Haye, Pierre Gosse, 1738. Bound in one contemp. full calf. Richly gilt spine. Titlelabel with gilt lettering. Stamp. on titlepage. XVI,170;(4),200 pp. and 14 folded tables. Internally clean and fine, printed on good paper. First edition.

Anden Række. Tredie Samling. K., 1865. Nyere papbd.m.skindtitel. Med orig.bogtrykte for-og bagomslag. Ubeskåret. BFN 890. Originaludgave. Med 5 eventyr i førstetryk. Usædvanlig med de bogtrykte omslag.

London, Charles Knight and Co., 1839. Contemp. hcloth. Stamp on title-page. VIII,54,(2) pp., 2 folded tables and 1 folded map. First edition of a work in which Lubbock summarizes his importent contributions to his work on tides (in Philosophical Transactions). For his work on the tides Lubbock received from the Royal Society one of the two medals awarded in 1833.

(Paris, Jean Boudot, 1706). 4to. Without wrappers. Extracted from "Mémoires de l'Academie des Sciences. Année 1705". Pp. 229-232, 232-234, 234-236 a. 267-272. First apperance of one of Amontons last papers on the barometer. He develops, after having noted that barometers are affected by heat as well as by the weight of the atmosphere, his mercury barometer.

Kiøbenhavn, S. Poulsen, 1796. Samtidigt hldrbd. Forgyldt skindtitel. Papirsetiket påsat ryggen øverst. Stempler på titelbladet. (6),VI,372 pp. samt 12 kobberstukne foldeplancher. Med svag skjold i nedre højre hjørne på nogle blade. Originaludgaven.

Hafniæ, Joh.Seb. Martinus, 1716-19. 4to. Samt. helldrbd. med rygforgyldning. (74) pp., 4 kobberstukne titelvignetter. Noget brunplettet. Disse 4 afhandlinger er første forsøg til en dansk retshistorie og behandler tiden indtil Frederi d. II.

Kjøbenhavn, Det Poppske Officin, 1832. 12mo. Samtidigt hldrbd. m. rygforgyldning og forgyldt titel. Hjørner stødte. Tidligere ejers navnetræk på titelbladet. Noget brundplettet. Første danske oversættelse af Victor Hugos Notre-Dame de Paris (1831).

(London, W. Bulmer and Co., 1809). 4to. No wrappers as extracted from "Philosophical Transactions" 1809 - Part I. Pp. 253-258 and 1 engraved plate showing the Goniometer. Clean and fine. First appearance of this paper describing Wollaston's invention of the Goniometer."Nor was it only in chemistry that he (Wollaston) left his mark. He invented a goniometer, a device to measure the angles between crystal faces, which greatly advance mineralogical research. A calcium silicate mineral is named wollastonite in his honor." (Asimow)."When a surface is so small as one fiftieth of an inch in breadth, it becomes axtremely difficult to apply the short radius of a goniometer to it with correctness. But since a surface of that magnitude may reflect a very brilliant light, the reflected ray may be employed as radius, and may at pleasure be taken of such a lenght that the angles of small crystals can be known with as much precision as those of the largest surfaces."(Abstract).

Indhold: Festskrift til Professor,dr.jur. W.E.von Eyben.

Harlem, Les Heritieres Loosjes, 1894. Lex8vo. Orig. printed wrappers. Wrapper frayed at edges loosing some small pieces. A faint stamp on frontwrapper. In "Archives Néerlandaises des Science Exactes et Naturelles. Redigée par J. Bosscha", Tome XXVII. (Entire volume offered). VIII,438 pp. and 7 lithographed plates. Zeeman's paper: pp. 252-302. Sissingh's paper: pp. 173-251. Uncut and unopened. First edition of Zeeman's PhD by which he furthermore won the gold medal of the Netherlands Scientific Society of Haarlem in 1892 .In 1902 Lorentz and Zeeman shared the Nobel Prize in physics.

Malmö, J. Cronquist, 1842. Samtidigt moirepræget helshirtbd. Ryg falmet. Rygforgyldning og rygtitel. Litograferet portræt af Jürgen Kock. (4),332 pp. samt 1 litograferet planche (prospekt af byen). Originaltrykket.

Kjøbenhavn, Høpffner, 1739. 8vo. Senere hldrbd, ryg fornyet med bevarelse af det meste af den gamle ryg. Rygforgyldning. Brugsspor. Med træskåret frontispiece (opklæbet, kanter med lidt tab, dog udenfor billedet). (30),732,(8) pp. Mangle 2 registerblade. Indvendig med brugsspor, særligt forrest og bagerst. Den 4. part (= det andet hundrede viser), som først udkom 1695 foreligger her med nogle ark forkert indbundet, ligesom det er tilfældet med 2 registerblade. Dete er det første tryk af Peder Syv i 1700-tallet. Eksemplaret i KB mangler den træskårne frontispiece. Bibl.Danica IV:192.

Halae Magdeb., Car. Herm. Hemmerde, 1783. Fine contemp. hcalf, richly gilt spine, raised bands and titlelabel in leather with gilt lettering. Large engraved titlevignette. (24),374 pp. a. (2 - Printers Announcement) pp. Clean and fine.

Stockholm, Las. Gust. Rylander, (1856). Folio.46x32 cm. Samtidigt hldrbd. med rig rygforgyldning. Kanter og hjørner lidt slidte. Bindet med brugsspor. Dedikationsblad, Stålstukker titelblad. 52 pp. samt 40 store litograferede portrættavler. Varierende brunpletning.

(København, BIanco Luno, 1857). 4to. Uden omslag, ubeskåret. Udsnit af "Videnskabernes Selskabs Skrifter", (SH,5.II), pp. 329-419 og 9 kobberstukne plancher med mange figurer. (91 pp. and 9 engraved plates - 2 depicting diff. coins, 7 comprising the cataloque "Sigma in Numis Lysimachi..." 1-565). First edition of Müller's important reference work for the coins of Lysimachus' period.

Leipzig, Engelh. Beniam. Svikerti, 1780. 8vo. Bound in one contemp. hcalf. Gilt back. Slightly rubbed. A small nick to top of spine. Small stamp on title. Engraved frontispiece. LIV,428;(1),452 pp. Some engraved textillustrations (mostly portraits on coins). Internally clean and fine. Geek text with extensive Latin commentaries and notes. Aelianus' (A.D. 170-235) Varia deals with human life and history with excerpts and anecdotes of moralizing character. - His Fragments is a collection designed to illustrate the workings of providence and divine justice. - Dibdin I:231. - Brunet I:p. 63. - Graesse I: p. 24.

Paris, Forget, AN III (1795). Contemp. Contemp. full mottled calf. Richly gilt spine. Titlelabel with gilt lettering. Gilt borders on covers. (4),VIII,343 pp. Some scattered brownspots.

Paris, Clouzier, 1731. Small 8vo. Contemp. full calf. Raised bands. Richly gilt spine. Titlelabel with gilt lettering. light wear to top of spine. Royal gilt monogram of King Christian VII on red background on upper cover. Light wear along edges. Stamp on title-page. (16),CLII,182,(4) pp., 12 folded engraved plates. Internally clean, printed on good paper. Rumpf, 5994. - Klaus Jordan, 140.

(London, Richard and John E. Taylor, 1843). 4to. No wrappers as extracted from "Philosophical Transactions" 1843 - Part I. Pp. 17-31 and 1 engraved plate. Margin of pp. 21/22 with a faint dampstain. First appearance of this paper in which Faraday traces "the source of the electricity which accompanies the issue of steam of high pressure from the vessels in which it is contained. By means of a suitable apparatus, which the author describes and delineates, he found that electricity is never excited by the passage of pure steam, and it is manifested only when water is at the same time present; and hence he concludes that it is altogether the effect of the friction of globules of water against the sides of the opening, or against the substances opposed to its passage, as the water is rapidly moved onwards by the current of the steam."(Abstract).From 1831 to 1852 Michael Faraday published his "Experimental Researches in Electricity" in The Philosophical Transactions of the Royal Society. These papers contain not only an impressive series of experimental discoveries, but also a collection of heterodox theoretical concepts on the nature of these phenomena expressed in terms of lines of forces and fields. He published 30 papers in all under this general title.They represents Faraday's most importent work, are classics in both chemistry and physics and are the experimental foundations for Maxwell's electro-magnetic theory of light, using Faraday's concepts of lines of force or tubes of magnetic and electrical forces. His many experiments on the effects of electricity and magnetism presented in these papers lead to the fundamental discoveries of 'induced electricity' (the Farday current), the electronic state of matter, the identity of electricity from different sources, equivalents in electro-chemical decomposition, electrostatic induction, hydro-electricity, diamagnetism, relation of gravity to electricity, atmospheric magnetism and many other."Among experimental philosophers Faraday holds by universal consent the foremost place. The memoirs in which his discoveries are enshrined will never cease to be read with admiration and delight; and future generations will preserve with an affection not less enduring the personal records and familiar letters, which recall the memory of his humble and unselfish spirit."(Edmund Whittaker in A History of the Theories of Aether and Electricity).

(London, Richard Taylor and William Francis, 1856). 4to. No wrappers as extracted from "Philosophical Transactions" Vol. 146 - Part III. Pp. 649-751 a. 58 textillustr. of experimental apparatus. Clean and fine. First appearance of Lord kelvin's large account of his thermo-electric researches in which he found, that the Peltier-effect must be directly proportional to the absolute temperature in a circuit formed of two metals. "This result, however, as Thomson well knew, was contradicted by the observations of Cumming, who had shown that when the temperature of the hot junction is gradually increased, the electromotive force rises to a maximum value and then decreases. The contradiction led Thomson to PREDICT THE EXISTANCE OF A HITHERTO UNRECOGNIZED THERMO-ELECTRIC PHENOMENON - namely, a reversible absorption of heat at places in the circuit other than the junctions.(Whittaker "A History of the Theories of Aether & Electricity", pp. 237-38).

Kiøbenhavn, Nicolaus Møller, 1772-73. 4to. Et samtidigt hellæderbd. Ophøjede bind og rygforgyldning. Ryg noget slidt, især ved kapitæler. (6),664;635 pp. Trespaltet trykt. Indvendig ren.

København, Reitzel og v. Maack, 1832. 8vo. Uncut in the original blue wrappers. Housed in a half calf slipcase with four raised bands and gilt title to spine. Wear and tears to capitals and edges of wrappers. Ownership signature title page and handwritten list of abbreviations to verso of title page. Some brownspots, otherwise internally clean. (4),76 pp. First edition of Rask's short introduction to Old Norse. Hjelmslev I, 197.