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1832. Small 4to. Cont.full calf.Edges gilt. Hinges weak. Both printed on good paper. The facs. of Griseldis is only printed in 42 copies-that of Garin in No. 20 of only loo copies. Inscribed by Armand Silvestre and Eugen Morand. Brunet III:1969.

Berlin, Julius Springer, 1926. Without wrappers as extracted from "Zeitschrift für Physik. Hrsg. von Karl Scheel", Bd. 39, pp. 499-518. With the titlepage to the whole volume. First edition of this importent paper in which Heisenberg - after inventing Quantum Mechanics the year before (1925) - investigates some of the fundamental aspects of the new theory. Heisenberg recognizes the invariance of the wave equation with respect to various transformations. "It is clear that such invariance exists with respect to an interchange of the coordinates of identical particles, e.g. of two electrons in an atom of two nuclei of the same kind in a molecule. As a consequence, the wave function of a non-degenerate stationary state must either remain unchanged or may only change sign when the transformation is applied to it....Indeed, in this way Pauli's exclusion principle for electrons found a formulation in terms of wave mechanics."(K. Kronik in Memorial Volume to Wolfgang Pauli).

Zürich, Orell, Füssli und Comp., 1845. Small 8vo. 2 contemp. hcalf. Gilt spines with gilt lettering. Spines slightly rubbed. Stamp on title-pages. XLVI,267;301,(1) pp. Internally clean and fine, printed on good paper.

Berlin, Mayer & Müller, 1894. Lex8vo. Contemp. clothbacked boards with the orig. printed covers pasted on boards. A paperlabel pasted on boards and spine. Nicks an some browning on printed covers, no loss of text. A stamp on title-page. On frontcover a picture of Lilienthal's famous Hangglider (Modell Stölln ?). 15,(1) pp. "Sonderabdruck aus Nr. 6 der Zeitschrift für Luftschiffahrt und Physik der Atmisphäre. Juni 1894." First edition in the OFFPRINT-ISSUE. A main paper in aviation history. "The key figure in aviation during the last decade of the century, and one of the greatest men in the history of fling, was the german otto Lilienthal (1848-96). The past culminated in him, and the future was born in him. He was the first man in the world to launch himself into the air and fly. It was his gliding that led directly to the work of Chanute and the Wrights, whom he resembled in his appoach to aviation, in his talents, and in his igh qualities of integrity and humility. Lilienthal, says Dollfus simply, 'est le père de l'aviation moderne'." (Gibbs-Smith "Aviation. A historical survey...", pp. 89-90.).

Paris, Charles-Antoine Jombert, 1756. 4to. Bound in one contemp. hcalf. Gilt spine. Titlelabels with gilt lettering. A paperlabel pasted on top of spine. Stamps on first title-page. Engraved portrait as frontispiece. (4),359;(4),403 pp., 9 folded engraved plates. browning to plates. Small dampstain to last few leaves. A few scattered brownspots. First French edition. - Poggendorff II, 754.

Kiøbenhavn, Godisches Efterleverske, 1770. Senere beskedent hshirtbd. Håndskreven rygtitel. Stempel på titelbladet. (10),395,(1) pp. Indvendig ganske ren, kun enkelte brunpletter. Originaltrykket.

Leipzig, J.F. Gleditschens seel. Sohn, 1726. Large8vo. In a nice contemporary Cambridge-style mirror binding with five raised bands and richly gilt spine. Text in two columns. Small paper-label pasted on to top of spine. Leather on spine slightly cracked and front board with a few scratches with a bit of loss of leather. Internally nice and clean. (26) pp. 1628 columns, (2), 1682 columns, (3) pp. + frontispiece. Second edition, here in an attractive binding, of Jörcher's popular lexicon. Christian Gottlieb Jöcher (1694-1758) was a German academic, librarian and lexicographer.

København & Kristiania, 1906, 1907 & 1917. Royal 8vo. Bound with the original wrappers in three similar but not entirely matching half calf bindings with gilt lettering to spine. Front wrapper of vol. 3 with author's presentation inscription: "Hr. Dr. Torsten Lagerberg / med Hilsen of Tak / fra Forfatteren / 5.10.17". Bindings with light wear, internally very nice and clean. VI, (2), 325 pp.; (8), 376 pp.; (10), 635 pp Rare complete first edition of Wwarming’s extensive work on phytoecology which still today is an important work on the subject in northwestern Europe. Volume three was given by Warming to Karl Erik Torsten Lagerberg (1882–1964), Swedish botanist and forestry professor. He taught at the Royal Forestry School (1918–1947) and studied forest tree diseases and fungi. He co-published Skogens skadesvampar and edited Svensk Botanisk Tidskrift from 1918. Lagerberg was elected to two national academies. Johannes Eugenius Warming (1841–1924), commonly known as Eugen Warming, was a pioneering Danish botanist widely recognized as one of the founding figures of modern ecology. He authored the first textbook on plant ecology in 1895, introduced the first university course in the subject, and helped define the scope and content of ecological science. In 1975, ecologist R. J. Goodland asserted: “If one individual can be singled out to be honoured as the founder of ecology, Warming should gain precedence” ("The Tropical Origin of Ecology: Eugen Warming's Jubilee"). Warming wrote a number of textbooks on botany, plant geography and ecology, which were translated to several languages and were immensely influential at their time and later. Most important were “Plantesamfund and Haandbog i den systematiske Botanik”.

1907. 4to. (28 x 19,5 cm.). Veludført helbind i blåsort maroquin. Permerne opdelte i paneler af blindtrykte rammer med store florale hjørnestempler. I midtfeltet en stor vaseformet dekoration optegnet med forgyldte buer og i midten heraf en forgyldt roset. Øverst i midterfeltet er titlen trykt i guld og nederst "Af Emil Hannover", ligeledes i guld. Rig rygforgyldning hvor stemplerne fra permerne er gentaget. Håndsyede kapitælbånd. På forpermens inderside signeret i guld af bogbinderen "Viggo Lorentzen". Bindet kunne være et svendestykke. De forreste tekstsier har en lille fugtskjold i øverste margin, angår ikke bindet. Antageligt udført 1910-20.

Kiøbenhaffn, Peter Hake, 1654. 4to. Smukt senere hldrbd., holdt i stilen med rygforgyldning og forgyldt skindtitel. (14),687,(4) pp. Med træsnit af Kong Dan på sidste dedikationsblad. Det træskårne titelblad mangler, her er kun det bogtrykte. Mangler endvidere pp. 1-2, 1 blad i Dedicatio med tab af en del af siden. Blad 187-88 med tab af nederste del af siden. Nogle blade kantforstærket. Lidt tæt beskåret. Midt i bogen et læg med en svag vandskjold. Originaludgaven. "Ikke alene en Beskrivelse over Danmark, dets Steder, Slotte o.s.v., men en Skatkiste af allehaande Fortællinger om kroninger, Hofskuespil o. desl." (N.M. Petersen). - Thesaurus: 723. - Bibl. Danica II:598.

Madrid, La Imprenta Nacional, 1849. Small 4to. Contemp. hcloth. Gilt lettering on spine. Stamp on title-page. (2),468 pp., 1 folded table. Internally clean and fine. This edition not in Sabin. (Sabin, 19679 for other editions).

(Berlin, Haude et Spener, 1769) 4to. No wrappers, as issued in "Mémoires de l'Academie Royale des Sciences et Belles-Lettres", tome XVIII, Année 1762. Pp. 195-225 and 1 folded engraved plate. + Pp. 226-248. First printing of two importent Euler-papers on the mathematical theory of dioptrics, and how to avoid the confusions of lenses. - Eneström E 379 a. 380.

Stockholm, Albert Bonnier, (1897-1904). Indbundet i 2 samtidige, næsten ensartede hldrbd. af brun oaseged. Ensartet rygforgyldning. Med dedikation i første bind. "Til Doktor Ludvig Nielsen/ från hans tillgifne och tack-/ samme vän författaren", på halvtitelbladet. Indvendig ren og frisk. Originaltrykket af begge bind.

Königsberg, Nicolovius, 1800. Contemp. hcalf. Spine gilt, titlelabel with gilt lettering. Gilding a bit faded. XXIV,232 pp. Clean and fine. A good copy with wide margins. First edition, second impression (errata corrected).Warda: 207.

Berlin, Stuhrschen Buchhandlung, 1835-36. Bound in one contemp. green boards, spine gilt (gilding weak). Corners bumped. Some small scratches to boards. Titlepages somewhat brownspotted. Stamp on first title. Some leaves, esp. in vol. 2 brownspotted.

Berlin, Georg Reimer, 1861. Contemp. hcalf. Spine gilt and with gilt lettering. At top of spine a tear without loss of leather. A little rubbed. Stamps on titlepage. XIV,(1),382 pp. Internally fine. Scarce first edition of Heine's main work. He treated the problem of potential for the exterior of an ellipsoid of revolution and for the shell between confocal ellipsoids of revolution, introduced spherical harmonics of the second kind, which provide a second independent solution of Legendre's problem. The second edition of this importent work (1878-81), was a standard compendium on spherical functions for many years.

Berlin, G. Reimer, 1850. 4to. Bound in later marbled wrappers, as extracted from "Journal für die reine und angewandte Mathematik, 28 Band, 4. Heft, 1844". Very fine and clean. Pp. 160-179; Pp. 224-274; Pp. 275-287 [Entire issue: 289-380 + 2 folded plates]. First publication of lemniscate function and Eisenstein's Criterion, one of the best known irreducibility criteria of polynomials. It is often seen referred to as the Schönemann-Eisenstein. Euler had introduced and studied the arc length of the lemniscate in the 18th century, this work laying the ground work for the later development of elliptic functions. The lemniscate function expresses the parameter of the lemnicate in terms of its arc-length. It can be extended to complex values of the parameter, and it then makes sense to ask for the points which divide the lemniscate into m equal parts, where m is a Gaussian integer (a complex number). Abel had shown that the determination of these points reduced to finding the roots of a certain polynomial equation. A crucial point in Eisenstein's extension of Abel's work described in the present papers was to prove that this polynomial is irreducible. Eisenstein developed his eponymous criterion to establish this (although today it is most familiar when applied to the more elementary case of a polynomial with ordinary integer coefficients).

Weimar, LAndes=Industrie=Comptoirs, 1803. Unbound, but stitched. XII,258 pp. and 1 folded engraved map "Neue Charte von Ober-Guinea nach den neuesten Bestimmungen französischer Schiffs-Kapitaine von Labarthe mitgetheiltt...Werimar, 1803." Some scattered brownspots. Light browning to margins. First German edition. (Bibliothek der neuesten und wichtigsten Reisebeschreibungen...hrsg. von M.C. Sprengel, 9. Bd.: 2. Theil).

Paris, Baudelot & Eberhart, AN VIII (1799/1800). Small 8vo. Later clothbacked boards. Stamp on title-page. XXIX,(2),68 pp. Scattered brownspots.

Paris, Bachelier, 1839. 4to. No wrappers. In: "Comptes Rendus Hebdomadaires des Séances de L'Academie des Sciences", Tome VIII, No 13. Pp. (459-) 504. (Entire issue offered). Piria's paper: pp. 479-485. First apperance of a main paper in pharmacology, describing the discovery of Salicylic acid compound, giving it the empirical formula C7H6O3. It is the most successful drug in history. A trillion tablets are consumed every year. Used to treat everything from headaches to heart disease, from rheumatism to cancer - scientists are still struggling to understand all its qualities. But aspirin can truly claim the title of wonder drug.Raffaele Piria (20 August 1814 - 18 July 1865), an Italian chemist from Scilla who converted the substance Salicin into a sugar and a second component, which on oxidation becomes salicylic acid, a major component of an analgesic drug, Aspirin (acetylsalicylic acid).Garrison & Morton No 1857.

Leipzig, Crusius, 1769-70. Folio. A bit later hcalf. Gilt spine. Titlelabel with gilt lettering. Small nicks in leather at spine-ends. Light wear to edges. Large engraved title-vignette and 2 other engraved vignettes. (14),154,(2) pp. and 20 engraved plates (I-XX). + 2. Theil Lieferung 1: (2),20 pp. and 4 engraved plates (XXI-XXIV). A few scattered brownspots.

Leiden, Elzeviriana, 1633. 12mo. Nice later full blindstamped cloth. Spine gilt and with gilt lettering. Engraved title-page. 575,(11) pp. The first leaves with a few underlinings. Clean and fine. First edition of Busbeck's collected Turkish Letters. - Willems,380.

Leipzig, Johann Ambrosius Barth, 1857. Without wrappers. In "Annalen der Physik und Chemie. Hrsg. von J.C. Poggendorff", Bd. 100, No 2 . Pp. 177-252 a. 1 plate. (Entire issue offered). Kirchhoff's paper: pp. 193-217. With titlepage to volume 100. First printing of an importent papers on the theory of electricity in conductors, telegraph-cables etc., determining the velocity of the electrical propagation. He found that the propagation velocity of electricity to be "very close to the velocity of light in empty space"."The work of Thomson on signalling along cables was followed in 1857 (the paper offered) by a celebrated investigation by Kirchhoff's, on the propagation of electrical disturbance along a telegraph wire of circular cross-section. (Whittaker "A History of the Theories of Aether and Electricity", pp. 230 ff.)."The field was still open (the nature of the electric current) when Kirchhoff entered it in 1857 with his own general theory of the motion of electricity in conductors. His first paper, in which he treated linear conductors from the same premises as Weber, turned out to coincide in all essentials with an investigation carried out by Weber shortly before but delayed in publication. Both physicists noticed a remarkable implication of their theory: in a perfectly conducting circuit, oscillating currents could be propagated with a constant velocity, independent of the nature of the conductors, and numerically equal to the velocity of light. Both Kirchhoff and Weber, however, pointing to the extreme character of the condition of infinite conductivity, dismissed this result as a mere accidental coincidence."(DSB)

London and New York, John Lane, 1899. 4to. Orig. full cloth. Rebacked, preserving orig. spine. Portrait. (6),18,157 pp. and 157 plates in black/white. First edition.

London, Cassell and Company, (1956-58). Lex 8vo. Bound in 4 original red full cloth bindings with gilt lettering to spines. Library stamps to front free endpapers and title pages. Exlibris to pasted down endpapers. Internally clean. A nice set. XXI,416;XI,344;XI,332;XXI,416 pp. First edition.