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Paris, Strassb., 1805. 4to. Cont.hcalf.Gilt back. (4),XVI,324 pp. and 16 large fold.engr.plts.with 167 figs. First edition of this very early treatise on mines and explosives.

Kiöbenhavn, Godiches Efterleverske, 1775. Samtidigt marmoreret hellæderbind. Rig rygforgyldning. Forgyldt skindtitel. Brud i forreste fals således at forpermen er løs. 134 pp. På skrivepapir. Lette spredte brunpletter. Heri 2 originaltryk af Johan Herman Wessel (Sövnen og Nöysomhed), af Edvard Colbiörnsen (Foraaret), af Charlotte Dorothea Biehl (Brev fra Waldborg Immers Datter til hendes Veninde) m.fl."Et Selskab, som har faaet Navn af det Norske, fordi det bestod fornemmelig i Begyndelsen af Nordmænd, blen eenige om at udsette smaa Præmier for dem af dets Medlemmer. som gjorde de bedste Vers. Af de indkomne Stykker har Selskabet troet, at nogle fortiene at trykkes, og a disse bestaaer fölgende Samling." (verso af titelbladet).

Paris, Du Pont, Buisson, Charles Pougens, L'AN VII (1799). 8vo. Bound in 7 uniform contemp. hcalf. Gilt spines. Gilt lettering. Spines a bit rubbed. 4 volumes with some light cracking along hinges. Top of spines loosening on vols. I and II. Scattered mild brownspots. Lower right corners in vol. I damstained. Lower right corners of the last pages in vol. II, dampstained. Vol.I: XXIV,365 pp. - Vol.II:(2),IV,349 pp. - Vol.III: (2),IV,384 pp. - Vol.IV: 1-349 pp. (lacking title-page a. preliminaries). - Vol. VI:1-336 pp. (lacking title-page a. preliminaries). - Vol.VII: (2),IV,366 pp. - Vol. VIII: (4),244 pp. With 9 folded tables of letterpress (all) and 3 large folded engraved maps. (Carte des Etats-Unis. Provinces Septentrionales - Provinces Meridionales dampstained on verso, only faint on recto - Carte Générale des Etats-Unis de L'Amerique Septentrionale Divisée en ses 17 Provinces). First editon. (Lacking volume V), but with all 3 maps and 9 tabels belonging to the full work. La Rochefoucault-Liancourt "left England in 1794, and travelled to the United States. In 1795, he and five associates began a tour which covered much of the northern United States and Upper Canada. They crossed the Niagara River to Fort Erie and also saw Fort Chippawa. From there they travelled to Newark, Canada where they were entertained by Lieutenant Governor John Graves Simcoe. Their trip was cut short when they were prohibited from entering Lower Canada. Insulted, François Alexandre Frédéric returned to the US and, in 1799, his exile ended, he returned to France. (Wikipedia). He was "Elected to the states-general of 1789 he sought in vain to support the cause of royalty while furthering the social reforms he had at heart. On the 12th of July, two days before the fall of the Bastille, he warned Louis XVI. of the state of affairs in Paris, and met his exclamation that there was a revolt with the answer, “Non, sire, c’est une révolution.” On the 18th of July he became president of the Assembly. Established in command of a military division in Normandy, he offered Louis a refuge in Rouen, and, failing in this effort, assisted him with a large sum of money. After the events of the 10th of August 1792 he fled to England, where he was the guest of Arthur Young, and thence passed to America." (Encycl. Britannica). Sabin, 39056.

Hafniae (Copenhagen), Petri Hauboldi, 1675. 4to. In contemporary full vellum. A few stains and light miscolouring to extremities. Title-page with previous owner's names to title-page. Dampstain to inner margin og first 15 leaves, otherwise a fine copy. (16), 314, (6), 26, (4), 63, (1), 68 pp. First edition of Ole Borch's work on the Latin language different periods and general history of literature. Ole Borch, 1626-1690, was one of the most important Danish philologists of the 17th century. Thesaurus 387, 388

(Paris, Jean Boudot, 1702). 4to. Without wrappers. Extracted from "Mémoires de l'Academie des Sciences. Année 1699". Pp. 112-126 and 1 engraved plate. (showing the "Moulin a Feu" Textillustrations. First apperance of this classic paper in which Amontons decribes his invention of a thermic motor."As early as 1699 Amontons proposed a thermic motor: a machine using hot air and external combustion with direct rotation. The experiments carried on in connection with this machine led him to note that ordinary air going from the temperature of ice to that of boiling water increases in volume by about one third."(DSB I, p. 139).Together with L'HOPITAL "Methode Facil pour trouver un Solide Rond qui étant mû dans un Fluide en repos paralellement..." 1699/1702. Pp. 107-112

Paris, Crochard, 1825. Contemp. hcalf. Spine gilt. Some scratches tospine. In: Annales de Chimie et de Physique, Par MM. Gay-Lussac et Arago.", Tome 22. 448 pp. a. 3 folded engraved plates. (Entire volume offered). Oersted's papers: pp. 192-98, 199-201, 201-203, 358-365 a. 375-389 (with Fourier). Mostly first editions of these importent , and early papers by Oersted on electromagnetism, together with the famous joint paper with Fourier.The volume contains other notable papers: Ampére "Extrait d'une lettre de M. Ampère à M. Faraday. (Paris, 18 Avril 1823)", Becquerel "Sur le developpement de l'électricité par la pression, Lois de ce développement" (PIEZOELECTRICITY discovery), Amici "Sur la Chambre claire (camera lucida) (traduit de l'Italien)., Poisson "Extrait d'un Mémoire sur la propagation du mouvement dans les fluides ´elastiques.", Faraday "Sur la Liquéfaction du plusieur substances", Poisson "Sur le Phénomenes des anneaux colorés",

London, Printed by Taylor and Francis - Published by the Author, (1862-) 73. Folio. Papersize 54,5x36,5 cm. Lithographed and fully handcoloured. Two adult and one baby bird in tree. J. Gould & H.C. Richter, del. et lith. - Walter & Cohn, 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.

Leipzig, Grosse & Gleditsch, 1729. 4to. In: "Actorum Eruditorum Supplementa Tomus IX". The entire volume offered in contemporary full vellum. Hand written title on spine. A yellow label pasted on to top of spine. Two small stamp to title-page and free front end-paper. Library label to pasted down front free end-paper. As usual with various browning to leaves and plates. Pp. 45-50. [Entire volume: (2), 509, (24), + two engraved plates.]. First publication of perhaps the first attempt to create a formula describing curvature or curved surfaces, thus making it one of the most important Danish contributions to mathematical history. The result is given in a double-integral.Euler established the theory of surfaces in his 'Recherches sur la courbure des surfaces', 1767. Gauss later took a fundamentally different approach to the study of surfaces; in contrast to Euler he represented the points of a surface in terms of two external parameters. Gauss then derived his own notions of the fundamental quantities of surfaces, e.g. arc length, angle between curves, and curvature.Niels Nielsen "Matematikeni Danmark 1528-1800", Koës No. 9. Observator i Berlin, privatdocent i Kiel, underviste artilleriofficererne i Rendsborg, blev 1721 ordinær professor i matematik ved Kiels Universitet.(Pihl, Københavns Universitet 1479-1979, Bind XII, P. 146)

(Leipzig, Johann Ambrosius Barth, 1886) Without wrappers as issued in "Annalen der Physik und Chemie. Hrsg. von G. Wiedemann.", Neue Folge Bd. 27, Drittes Heft Heft (No 6 1886). Entire issue offered. Pp. 321-480 a. 2 folded plates. Eótvós's paper: pp. 448-459. Clean and fine. First appearance of this important paper in which Eötvös set forth his "Law of Capillarity" and thereby eliminating the errors that had twarted his predecessors such as Young, Laplace, Poisson and Gauss. The principle thus established, also called "The weak equivalence Principle", served as a BASIS FOR EINSTEIN'S THEORY OF RELATIVITY(Capillarity: the property or exertion of capillary attraction of repulsion, a force that is the resultant of adhesion, cohesion, and surface tension in liquids which are in contact with solids, causing the liquid surface to rise or be depressed...)"The beginnings of Eötvös’ scientific career are connected with liquids. He worked out a new way to determine surface tension, which subsequently became known as the reflection method. This method made it possible to determine precisely the surface tension of various liquids. During his experiments, Eötvós found a linear relationship between the molar surface energy of liquidsand their temperature. The proportionality factor is constant for all compound liquids independently of their composition. The molar surface energy is equal to the work needed to move one molecule from the inside of the liquid to its surface. Based on this finding, Eötvös was able to state the following relationship: with increasing temperature, the surface tension of a liquid decreases until, at the critical temperature, it becomes zero. Later this rule was named the Eótvös law and the proportionality constant the Eötvós constant. In case of liquids this constant is as fundamental as the universal gas constant in case of gases."

Berlin und Libau, Lagarde und Friedrich, 1786. 8vo. 2 volumes bound in one modest contemporary cardboard-binding reinfoced with cloth to corner and top and bottom of spine. Wear to extremities, some of the marbled paper worn of. Internally with light occassional brownspotting. XVIII, 320, 332, (4) pp. + frontispiece. Rare first edition of Professor Burja's early textbook on algebra. Poggendorff I, 335 Cantor IV, 77

(Leipzig, Johann Ambrosius Barth, 1831). Without wrappers as issued in "Annalen der Physik und Chemie. Hrsg. von J.C. Poggendorff", Bd. 22 (98) Fünftes Stück. Pp. 1-160. (The entire issue offered). Fresnel's papers: pp. 68-89 and pp. 90-125. Clean and fine. First appearance in German of two importent memoirs on polarized light, refraction and reflexion of light.The first paper unites two of his earlier papers on polarization as an introduction to the second paper. Having mastered the wave theory, Fresnel tackled the phenomena of polarization and of double refraction, and he obtained results which amazed the scientific world. These results survived the criticism of his contemporaries and of his succcessors, and are still accepted today.The second paper offered contains the first German edition of the importent paper in which Fresnel formulates a theory of reflection and refraction referring them to the dynamical properties of the luminiferous media and stating the two laws that bears his name, the "Sine-law" and the "Tangent-law".This memoir was for some time considered lost, it was presented to the Academy in 1823, but found later in the papers of Fourier. "Diese Abhandlung ist bereits am 7. Jan. 1823 in der Pariser Academie vorgelesen, nach der Zeit aber abhanden gekommen, und erst kürzlich unter den Papieren des verwigten Fourier wieder aufgefunden"(Editors footnote).In the memoir "He adopts Young's principle, that reflection and refraction are due to differences in the inertia of the aether in different material bodies, and supposes (as in the memoir on aberration) that the inertia is proportional to the inverse square of the velocity of propagation of light in the medium. The conditions which he proposes to satisfy at the interface between two media are that the displacements of the aadjacent molecules, resolved parallell to this interface, shall be equal in the two media; and that the energy of the reflwected and refracted waves together shall be equal to that of the incident wave."(Whittaker "A History of the Theories of Aether and Electricity" I, p.123).

Braunschweig, Fürstl. Waisenhaus Buchhandlung, 1769. Contemp. full calf. Richly gilt spine. Titlelabel with gilt lettering. On upper cover King Christian 7' stamped monogram in gold on red background. Stamp on title-page. (20),403,(1) pp. and 7 large folded engraved plates. Internally fine and clean. First German edition. - Klaus Jordan No. 234.

Bound in 11 orig. blue boards. (Vol. 1 in second printing). With ab. 15 engraved plates.

Leipzig, Baumgärtnerischen Buchhandel, 1801-02. 4to. In 5 contemp. hcalf. Tome-and titlelabels with gilt lettering on spines. Spines slightly rubbed. Stasmp on title-pages. Each part separately paginated. Ca. 800 pp., 14, mostly folded engraved maps a. plans, partly handcoloured and 9 folded engraved plates. Some scattered brownspots.

Amsterdam et Leipzig, Arkstée & Merkus, 1770. 3 contemp. full mottled calf. Richly gilt backs. Light wear to two top of spines. A small paperlabel taped to lower part of back. Stamped on verso of titlepages. Engraved portrait, 3 engraved titlevignettes and 3 half-page engraved vignettes. XXIV,398,(2);(4),432,(2);(4),493,(3) pp. and 41 folded engraved maps and plans. Jordan: 2579.

(London, Richard and John E., Taylor, 1843. 4to. No wrappers as extracted from "Philosophical Transactions" 1843 - Part I. Pp. 1-6. First appearance of a pioneer-paper in the history of early photography, as Herschel here for the first time describes his discovery of the iron printing process with ammonio-citrate of iron by both methods, namely with blue lines on a white background and white lines on a blue ground.

Paris, Georges Carré et C. Naud, 1901. Royal8vo. Contemp. hcalf. Spine gilt and with gilt lettering. Small stamp at foot of titlepage and last leaf. VIII,230,(2) pp. With the ownership-signature of the noted Danish logician Jørgen Jørgensen to front free endpaper. Clean and fine. First edition of Peano's third version - the third volume - of his Formulario-project aiming at presenting all mathematical axioms and results in a clear form always using his five axioms and thereby rewrites all known mathematics in a symbolic form and thus provide a key to a satisfactory solution to the questions of the foundations of mathematics. The logical notations used by Peano were used and developed by Whitehead and Russell in their "Principia Mathematica" of 1910."In 1892 he announced in the Rivista the Formulario project, which was to take much of his mathematical and editorial energies for the next sixteen years. He hoped that the result of this project would be the publication of a collection of all known theorems in the various branches of mathematics. The notations of his mathematical logic were to be used, and proofs of the theorems were to be given. There were five editions of the Formulario (the offered item being the third). The first appeared in 1895; the last was completed in 1908, and contained some 4,200 theorems (the item offered). But Peano was less interested in logic as a science per se than in logic as used in mathematics. (For this reason he called his system "mathematical logic.") Thus the last two editions of the Formulario introduce sections on logic only as it is needed in the proofs of mathematical theorems." (DSB).The famous Italian mathematician, logical philosopher, pioneer of symbolic logic, and a founder of mathematical logic and set theory, Giuseppe Peano (1858 -1932) studied mathematics at the University of Turin, where he was employed just after graduating (1880), and where he stayed almost all of his life, devoting this to mathematics. After having graduated with honours, he was employed to assist first Enrico D'Ovidio, and then the renowned Angelo Genocchi, who possessed the chair of Infinitesimal calculus. In 1890 Peano became extraordinary professor, and in 1895 ordinary professor, of infinitesimal calculus at the Unversity of Turin.

Paris, L'Imprimerie Royale, 1767. 4to. Fine contemp. full calf. Raised bands. Richly gilt spine. Tome- and titlelabels with gilt lettering. Gilt borders on covers. Engraved frontispiece. (10),212,415, pp., 15 partly folded engraved plates. Clean and fine. With original memoirs by: Clairaut (Sur quelques Principes qui donnent la Solution d'un grans nombre de Problèmes de Dynamique. pp. 1-52), Geoffroy, Cassini, Malouin, Winslow, Maraldi, de Jussieu, l'Abbé de la Caille, Bourdelin, Cassini de Thury, l'Abbé Nollet, Buffon, Petit, du Hamel, Maraldi, de Mairan, Monnier le fils, Buache, Sauvages de la Croix.

Paris, Chez Mad. Ve. Bernard, 1808 Contemp. hcalf., gilt spine. Some scratches to binding.. Verso of titlepage and plates with small stamps.In: "Annales de Chimie" Vol. 68. - 358 pp. a. 3 engraved plates. (The entire volume offered). Gay-Lussac's a. Thenard's paper: pp. 169-174. First announcement of the results that they had obtaines by treating boric acid with potassium, showing that acid is composed of a combustible substance and oxygen. "Before regarding their proof (of the existance of a new element) as complete Gay-Lussac and Thenard wished not only to decomposed boric acid, but to recompose it. On November 30 of the same year they were able to state in the 'Annales de Chemie et de Physique" (the paper offered) that "the composition of boracid s no longer problematical. In fact, said they, "we decompose and we recompose this acid at will" (Weeks "Discovery of the Elements", p. 160). - Parkinson "Breakthroughs", 1808 C. - Bunch, 1808.The volume contains other importent paper, Davy's famous paper on electrolysis in first French translations, Gayton-Morveau"Description d'un hygrometre pour le gaz...", d¨'Arcet "Observations sur la potasse et sur la soude préparées à l'alcool" etc.

Hamburg, R. Beneken Wittwe, 1766-68. 2 contemp. marbled boards. Engraved portrait as frontispiece. 2 large engraved titlevignettes. (12),204,206,206,216 pp. - 602,190 pp. Clean and fine. 8 titlepages (87 Stücken). Scarce complete run of this periodical in 2 volumes comprising 87 "Stücken". - Not in Wellcome, not in Waller.

Lyon, L'Imprimerie de Brunet, 1825. 4to. Bound in 3 uniform contemp. hcalf. Gilt spines with gilt lettering. A paperlabel pasted on upper part of spines. Stamps on title-pages. (4),XXV,430;(4),464 pp. and Atlas-volume with 57 large folded engraved plates. Minor scattered brownspotting.

.London, Printed by Taylor and Francis - Published by the Author, (1862-) 73. Folio. Papersize 54,5x36,5 cm. Lithographed and fully handcoloured. Two birds, female and male in natural surroundings on a trunk with fungi.. 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.

Kbhvn., 1932-75. Lex8vo. Bd. 1-18 indbundet i 6 solide hshirtbd., resten i 5 solide hldrbd.

London, Cambridge University Press, 1822. 4to. In recent paper wrappers. Extracted from the "Transactions of the Cambridge Philosophical Society", Volume 1, bound with the title-page of the volume. Fine and clean. (2), (63)-76 First appearance of Babbage paper on the notation employed in the Calculus of Functions."Babbage's major Contribution to mathematics was his calculus of functions, which he became interested in as early as 1809 and continued to develop during his years at Cambridge. Babbage presents his major ideas on the subject in the above two papers, published in the "Philosophical Transactions" in 1815 and 1816. "It can be said with some assurance that no mathematician prior to Babbage had treated the calculus of functions in such systematic way...Babbage must be given full credit as the inventor of a distinct and importent branch of mathematics" (Dubbey 1978, 90). Elsewhere Dubby states that his new scheme would serve as a generalized calculus to include all problems capable of analytical formulation, and it is possible to see here a hint of the inspiration for his concept of THE ANALYTICAL ENGINE. While the work on the engines and his other scientific, social and political activities caused him virtually to abandon mathematical research at the age of thirty, the calculus of functions was the area he often yearned to continue. In fact the calculus of functions was not taken up by other workers, and it is the aspect of Babbage's mathematical work that modern mathematicians find most fascinating (Dubbey 1989, 18-19)." (Hook a. Norman No. 19).

Hauniae, (København), H.C. Paulli, 1710. 4to. Pragtfuldt samtidigt helpergamentsbind med overdådig rygforgyldning og forgyldt skindtitel. Permer indfarvet i marmormønster. Rødt snit. Kobberstukket frontispiece. (16),548 pp. + Index. Frisk, velbevaret. First latin edition of King Christian V's famous "Danish Law" of 1683.