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Hannover & Wolffenbüttel, Freytag, 1705 8vo. In contemporary Cambridge-style mirror binding five four raised bands and gilt lettering and ornamentation to spine. Small paper-label pasted on to top of spine. Light wear to extremities, corners bumped and leather on spine slightly cracked. Internally nice and clean. (2), 1021, (23) pp. + frontispiece. First edition, beautifully bound, of Lütkemann’s 79 instructive contemplations in which he explore and explain several hundred biblical passages from both the Old and New Testaments.

Sorøe, Jonas Lindgren, 1759. 4to. Samt. helldrbd. Ryg med blindtryk og lidt slidt. (18),632 pp., 3 kobberstukne plancher og 1 træstukket planche. Originaludgaven af den første Skælskør-beskrivelse.

(No place, nor printer, ca. 1757). 4to. In contemporary full calf with six raised bands and gilt lettering and ornamentation to spine. Boards with miscolouring and a hole in the leather to front board. Ex-libris pasted on to pasted down front end-paper. Bi-lingual text in French and Danish. Printed on good paper. A nice copy. (8) pp. First appearance of this correspondence between Frederick the Great, King of Prussia, and Voltaire, the famous French Enlightenment philosopher and writer. The relationship between Voltaire and Frederick the Great is one of the most celebrated of the Age of Enlightenment. It was initiated by the young Prussian crown prince in August 1736 and they met for the first time in September 1740, a few months after Frederick succeeded his father as King. In a period Voltaire resided at Frederick's court in Potsdam. OCLC only list three copies, all in Denmark.

Paris, Chez Mme Ve Lepetit, 1817. 12mo. Bound in 18 later nice uniform hcloth. Gilt spines. All volumes has the orig. printed green wrappers withbound. No maps and no plates.

Paris, J. Barbou, 1783. Large 8vo. (18,5x13,5 cm.). Contemp. blue boards. Covers with wear and some scratches. Backstrip gone. Old owners names on title.V,(49) pp. and 20 double-page engraved maps, of which 19 are handcoloured in outline (paper measuring 18x22 cm.). Textlvs. with traces of use. 2 maps with some smaller inkspots. Maps fine apart from some browning to margins. Maps unsigned, but after the listing of the maps (verso of titlepage) is printed "Ces Cartes ont été gravées par M. André sur les dessins de M. Brion." This military school atlas contains Mappemonde, L'Europe, L'Asie, L'Afrique, L'Amerique Sepetentrionale, L'Amerique Méridionale etc. etc. - Not in Phillips (Geogr. Atlases in the Libr. of Congress) - Not in Shirley (Maps and Atlasses of the British Library).

Amsterd., 1676. 8vo. Cont.hvellum. (14),664 pp. and 53 engr.plates. Most of the plts.printed in the text, 7 Tables. First German edition. Although the title mentions 55 engravings, this copy is complete. The French ed.from 1641 has also 53 plts.,engraved by the author. Klaus Jordan No 3960.

Venezia, Giacomo Storti, 1752. Small folio. Uncut in orig. blue covers, old repair to back. (10),59,(1) pp. One large engraved portrait of Sansovino after Titian (Thomas Arighetti delin.- Petrus Monachus sculp.). First edition and the first work by the celebrated Temanza in his series of monographs of artists, followed by the vita of Palladio (1763) and of Scamozzi (1770).

Berlin, G. Reimer, 1822. 4to. Bound in 2 cont. hcalf. Gilt spines. Tome-labes gone on volume 2. Wear to top of spine on volume. Spines a bit rubbed. XXXVI,(4),244;VI,LIV,206 pp., 35 (12+23) folded Tables and 18 (12+6) folded engraved plates. Faint scattered brownspots on the first few leaves in both volumes. Scarce first, and only edition. Borkenstein was born in Hannover but wrote the work for the Danish-Norwegian army. He had his career in Norway as a teacher in the mulitary academy in Oslo.

Manchester, 1909. 8vo. Contemp. full cloth. Orig. printed paper label on spine (a bit chipped). In: "Memoirs and Proceedings of the Manchester Literary & Phlosophical Society. (Manchester Memoirs.). Volume LIII. (1908-09). Entire volume offered. The volume contains 24 papers, all with seperate pagination. Rutherford's paper: pp. 1-3. First printing of the paper which Rutherford and Royds gave the final proof that the alpha particle are atoms of helium. The present paper was read on November 3rd 1908 and published on the 19th. It was reprinted in Philosophical Magazine and that paper is dated November 13, 1908 and published February 1909."After nearly a decade of labor, Rutherford was finally prepared to state... what the alpha particle really was "We may conclude that an alpha-particle is a helium atom, or, to be more precise, the alpha-particle, after it has lost its positive charge, is a helium atom". In a paper together with Royds, completed in November 1908, he was even more emphatic: "We can conclude with certainty... that the alpha-particle is a helium atom... They had shown that a discharge sent through a volume in which alpha-particles from radium had been collected produced the characteristic helium spectrum !"(Pais "Inward Bound", p. 61)."Rutherford’s early conviction that the alpha particle was a doubly charged helium atom, but he had not succeeded in proving that belief. In 1908 he and Geiger were able to fire alpha particles into an evacuated tube containing a central, charged wire and to record single events. Ionization by collision, a process studied by Rutherford’s former colleague at Cambridge, J. S. E. Townsend, caused a magnification of the single particle’s charge sufficient to give the electrometer a measurable "kick." By this means they were able to count, for the first time accurately and directly, the number of alpha particles emitted per second from a gram of radium.This experiment enabled Rutherford and Geiger to confirm that every alpha particle causes a faint but discrete flash when it strikes a luminescent zinc sulfide screen, and thus led directly to the widespread method of scintillation counting. It was also the origin of the electrical and electronic methods of particle counting in which Geiger later pioneered. But at this time the scintillation technique, now proved reliable, was more convenient. This counting work also led Rutherford and Geiger to the most accurate value of the fundamental electric charge e before Millikan performed his oil-drop experiment. They measured the total charge from a radium source and divided it by the number of alphas counted to obtain the charge per particle. Since this figure was about twice the previous values of e. they concluded that the alpha was indeed helium with a double charge. But Rutherford still desired decisive, direct proof; and here his skilled glassblower came to his aid. Otto Baumbach in 1908 was able to construct glass tubes thin enough to be transparent to the rapidly moving alpha particles yet capable of containing a gas. Such a tube was filled with emanation and was placed within a larger tube made of thicker glass. In time, alpha particles from the decaying emanation penetrated into and were trapped in the space between inner and outer tubes: and when ROYDS SPARKED THE MATERIAL IN THIS SPACE, THEY SAW THE SPECTRUM OF HELIUM." (DSB).The volume contains 2 other importent papers by Rutherford 1. "Some Properties of the Radium Emanations" (issued Nov. 19th, 1908) and 2. together withY. Tuomikoski "Differences in the Decay of the Radium Emanations" (issued April 7th, 1909).

Antverpen, Petri Belli, 1589. Folio. (31 x 20 cm.). Bound in fine later (around 1950) hmorocco. Raised bands, richly gilt spine. Printers woddcut-device on first title-page. (68),206,(6),207-373,(2),(374-)531,(1) pp. Faint browning in upper margins. A few leaves at end with a dampstain in corners. A few marginal annotations.

Berlin, Vossischen Buchhandlung, 1796. Volume 1 unbound, but stitched. Volume 2 bound in contemp. hcalf, gilt spine, title-and tomelabels with gilt lettering. (2),VI,466;(2),442,(2) pp., 20 engraved plates and 1 large folded engraved map. Some quires with light browning, a few scattered brownspots. First German edition of the authors "Second Voyage dans l'Interieur de l'Afrique, par le Cap de bonne esperance, dans le années 1783, 84 et 85. Paris, 1795." (Magazin von merkwürdigern neuen Reisebeschreibungen, aus dem fremden Sprachen übersetzt und mit erläuternden Anmerkungen begleitet. Bd. 12: 1.Theil u. Bd. 13).

Paris, G. de Bure, 1786 Small 8vo. 2 contemp. full mottled calf. Richly gilt spines. Tome-and titlelabels with gilt lettering. Inkstamp on halftitles. Stamp on title-pages. (4),VIII,491;(4),492 pp. Internally clean and fine. Second enlarged edition. - Brunet V,62.

(Berlin, Haude et Spener, 1770). 4to. Clean and fine without wrappers as issued in "Mémoires de l'Academie Royale des Sciences et Belles-Lettres", Tome XXIV, pp. 111-180. With titlepage to "Classe de Mathematique". First appearance of Lagrange's importent paper in which he developed continous fraction solutions of equations.

(Leipzig, Ambrosius Barth, 1913). Without wrappers in "Annalen der Physik", Vierte Folge, Bd. 41, No.10. The entire issues offered. Pp. 873-1064 a. 6 plates. Laue's papers: pp. 971-988, pp. 989-1002 a. pp. 1003-1011. With the 5 famous plates in collotype (reproductions of the photographic plates), showing the X-Ray diffraction spectrum of different salt and substances (The "Laue diagram"). These papers represents the first full exposition of Laue's and his co-worker's discovery of the nature of X-Rays. The first two papers were printed the year before in "Münchener Sitzungsberichte", but finds their final form here and with the experimental confirmation by Laue and Tank. He showed that the regular spacing of the atoms in a crystal can serve as a grating of the desired precision, and he measures the wave-lenght of the X-rays.That crystals might be the appropriate grating for the X-rays proved to be well founded when Knipping, Friedrich and Tank found experimental confirmation of the theory."It was in 1895 that Röntgen discovered a new form of radiation, to which, as its nature was so uncertain, he gave the name of the X-ray.....It was not until 1912, when von Laue showed it could be diffracted like ordinary light, that it was recognized with certainty as an ether wave of extremely short wave-lenght.Laue used a crystal for his diffraction grating...The X-ray is therefore identical with with light in respect to its nature, but differs greatly in quality: a state of things which is very favourable to an extension of our general knowledge of such radiations."(William Bragg in "The Universe of Light", pp. 228 ff.)."It was the work of Laue and the experiments done by Friedrich and Knipping on his suggestion that cleared up the nature of X rays once and for all and that, moreover, beautifully demonstrated that crystals are composed of atoms arranged in a regular lattice......As in the case of Röntgen's original discovery, the photographs were extremely convincing. Other researchers immediately were attracted by the new field of X-ray spectroscopy and the discoveries by the Braggs and Mosely soon followed."(Siegmund Brandt "The harvest of a Century", Episode 20, p. 80 ff.)."The awarding of the Nobel Prize in physics for 1914 to Laue indicated the significance of the discovery that Albert Einstein called "ONE OF THE MOST BEAUTIFUL IN PHYSICS". Subsequently it was possible to investigate X radiation itself by means of wavelenght determinations as well as to study the structure of the irradiated material. In the truest sense of the word scientists began to cast light on the structure of matter."(DSB VIII, p. 51).PMM: 406 (the first 2 papers in Münchener Sitzungsberichte).The offered issue of "Annalen" contains also an importent paper by P. DEBYE & A. SOMMERFELD: "Theorie des lichtelektrischen Effektes vom Standpunkt des Wirkungsquantums", pp. 873-930

London, 1781. 8vo. Uniformly bound in five contemporary half calf bindings with gilt lettering to spines. Two ex-libris pasted on to pasted down front end-paper in each volume. Light wear to extremities, spines with stains. Internally nice and clean. CXV, (5), 282 pp. + frontispiece; (2), 448 pp. (4), 384 pp.; (4), VIII, 398 pp.; (2), 407 pp. Uncommon clandestine edition of the works of Helvetius. "Cette edition clandestine de Bouillon au titre rouge et noir fut tirée a 2000 exemplaires sur papier de qualite. Est importante pour l'etude de Helvetius et est assez rare. Elle fut preparee a Paris par l'abbe Lefebvre de La Roche, heritier des textes du philosophe [.] Il existe une autre edition identique sur papier moyen et sans portrait". (Tchemerzine, VI, 200) (i.e. This clandestine edition from Bouillon, with a red and black title, was printed in 2,000 copies on quality paper. It is important for the study of Helvétius and is quite rare. It was prepared in Paris by Abbé Lefebvre de La Roche, heir to the philosopher's texts. There is another identical edition on medium-quality paper and without a portrait.). Tchemerzine, VI, 200.Graesse, III, 238.

London, Richard Taylor and William Francis, 1856. 4to. Uncut unopened in the original printed wrappers. In "Philosophical Transactions" Vol. 146 - Part I. Entire issue offered. Light soiling to extremities. Upper outer corner of of front wrapper with small tear, otherwise fine and clean. Pp. 159-180 [Entire issue: iv, (6), 418 pp. + 15 plates. First appearance of a historical paper in physiscs.This paper is the last of Faraday's papers in the series "Experimental researches in electricity". The paper is the only one of the 30 papers which was not reprinted in the 3 volume work, published 1856.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 ceaseto 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).

Riga und Leipzig, Johann Friedrich Hartknoch, 1791. Nice contemp. hcalf. Raised bands, richly gilt spine, titlelabel with gilt lettering. Small stamp on top of title-page. (16),200;272,(4) pp. and 1 folded engraved map. A few marginal brownspots. Printed on good paper. First German edition.

København, Schultz, 1828. 8vo. Uncut in the original blank blue front wrapper (later back wrapper). Wrappers loose. Somewhat brownspotted. Inscribed by the author to the inside of front wrapper: "Velærværdige / Hr. Pastor Westergård / med en venskabelig Hilsen / fra / Forfatteren." (Pastor Westergård, friendly regards from the author). 16,139,(1) pp. + 1 engaved folded plate. Presentation copy of the first edition of Rask's 'Hebrew Chronology'. The present copy is inscribed to the renowned Danish linguist and orientalist Niels Ludvig Westergaard (1815-1878). Hjelmslev I, 130.

(London, Taylor and Francis), 1921. Blank wrapper. In: "The London, Edinburgh, and Dublin Philosophical Magazine and Journal of Science" Sixth Series, Vol.42, No. 252, December 1921. Pp. 873-1024, textillustr. a. 1 plate. (Entire issue offered). Chadwick & Bieler's paper: pp. 923-940, textillustr. First printingof this milestone paper in which the strong nuclear forces are mentioned for the first time."It was only in 1921 that Chadwick had first shown that, at very small distances, the interactions of alpha particles with the atomic nucleus did not follow exactly the inverse square law predicted from the repulsion of their positive electrical scharges. Chadwick concluded that his experiments showed that these nuclear forces are of "very great intensity". According to Pais, this is THE FIRST PUBLISHED STATEMENT ABOUT THE EXISTENCE OF A STRONG NUCLEAR FORCE. This 'new force' interpretation was disputed untill well into 1920s."(Hey & Walters)."In any event, Chadwick and Bieler's final conclusion avoid all reference to a possible electromagnetic cause for the deviations from the simple theory: "The present experiments do not seem to throw any light on the nature of the law of variation of the forces at the seat of an electric charge, but merely show that the forces are of very great intensity... It is our task to find some field of force which will reproduce these effects." I consider this statement, made in 1921, as marking the birth of the strong interaction."(Pais in "Inward Bound", p. 240).

Fr. am Main, 1828. 8vo. Cont.hcloth. No title on back. Uncut. St.o.t. A little brownspotted. VIII,480 pp. and 1 large fold. engr.map, handcoloured, showing North-and Southamerica. Very scarce first edition. Sabin 41405.

(London, Richard and John E., Taylor, 1842.). 4to. No wrappers as extracted from "Philosophical Transactions" 1842 - Part II. Pp. 181-214 and one double-page folded engraved plate. First appearance of a pioneer-paper in the history of early photography in which Herschel announced some of his importent discoveries of the photographic printing processes, the process of photographic contact-printing in Prussian blue, brought to light just three years after Louis Daguerre and Henry Talbot had announced their independent inventions of photography in silver, using metal and paper substrates, respectively. and the photographic properties of red ferro sesquicyanuret of potassium."This is the first recorded observation of Prussian blue being formed for a photographic purpose by the action of light on potassium ferricyanide, so it represents the moment of discovery of the first cyanotype process, although this name still lay in the future. The significance of this observation impressed Herschel sufficiently to mention it also in his general diary entry for 23 April 1842...."(Mike Ware in "John Herschel's Cyanotype. Invention or discovery ?").

London, Printed by Taylor and Francis - Published by the Author, (1862-) 73. Folio. Papersize 54,5x37 cm. Lithographed and fully handcoloured. 2 birds seen, female and male in natural habitat with flowering plants. J. Gould & H.C. Richter, del. et lith. - Walter, Imp. Fine and clean. The plate is accompanied with the original textleaf. (2) pp. This is an original plate from Goulds great work "The Birds of Great Britain", issued between 1862 and 1873. The plates in this work were executed by Gould himself, and a few by J. Wolf, H.C. Richer and Hart. Together with Audubon's plates, the Gould-plates are considered the best bird-art ever produced, AND THE PLATES IN HIS "BIRDS OF GREAT BRITAIN" ARE THE PEAK OF GOULD'S ARTISTIC LIFE. In the foreword Gould stresses the difference from his "Birds of Europe" in the treatment of the illustrations, the inclusion here of the figures of the baby birds and nests, and he comments "Many of the public are quite unaware how the colouring of these large plates is accomplished; and not a few believe that they are produced by some mechanical process or by chromo-lithography. This, however is not the case; every sky with its varied tints and every feather of each bird were coloured by hand; and when it is considered that nearly two hundred and eighty thousand illustrations in the present work have been so treated, it will most likely cause some astonishment to those who give the subject a thought.". Elsewhere he remarked upon employing "almost all colourists in London." - Wood p. 364. - Nissen No. 372. - Sitwell 102. - Zimmer pp. 261-62. - Not in Jean Anker.

Franckfurt am Main, Georg Heinrich Oehrling, 1701. Old modest hcalf. Handwritten titlelabel on spine. Light wear to spine. Engraved frontispiece-portrait, engraved title-page (and printed in red/black). (12),208 pp., 24 engraved plates. Frontispiece and engraved title a bit shaved at bottom. First 2 leaves a bit frayed (no loss of text). Light occassional browning and light traces of use. Scarce third edition (the first 1692) of this manual in chiromancy.

(København), 1777. 62x68 cm. Kobberstukket kort opdelt i 24 sektioner og opsat på lærred, foldet i en samtidig kassette. Originaltrykket af Videnskabernes selskabs general-kort over Sjælland m.v., som blev til efter Wessel havde tegnet sine 4 delkort over Sjælland (1768-72) og Skanke havde fuldført sit detailkort over Mön, Falster og Lolland (1776). General-kortet er, ligesom Wessels detailkort, en milepæl i kartografien, idet Wessel anvendte sin opdagelse vedrørende de komplekse tal til denne projektion.