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Leipzig, Grosse & Gleditsch, 1728. 4to. In: " Acta Eruditorum Anno MDCCXXVIII". The entire volume offered in contemporary full vellum. Hand written title on spine. A yellow label pasted on to top of spine. Two small stamps 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. 125-27. [Entire volume: (2), 562, (32), + six engraved plates, thereby lacking one]. First printing of German theolog Christoph Matthäus Pfaff's publication of a Leibniz letter who's intention was to prove that Leibniz regarded the Theodicy-problem as a philosophical mind-game (lusus philosophi) without any substantial content. Shortly after Leibniz's death, rumors and gossip about his religious insincerity were spread through France and Germany by the clergyman Christian Matthaeus Pfaff.He even claimed to be in possession of a letter from Leibniz in which the latter had confessed this [that it was a game of reconciling a deterministic, optimistic system with revealed religion, without real commitment or success in either] to him. Pfaff stirred up high expectations with his repeated announcement that he was on the verge of publishing the letter, but he always found some excuse not to though. (JOLLEY, The Cambridge Companion to Leibniz, P. 468)An excerpt of the letter was eventually published, which, as Pfaff states, questions Leibniz view on the Theodicy.The Theodicy, a term coined by Leibniz in his book "Essais de Théodicée sur la bonté de Dieu, la liberté de l'homme et l'origine du mal" which appeared in 1710 with numerous editions thereafter, was widely read, but Leibniz did not regard the book as a very full or adequate expression of his thoughts, and he seemed to have hoped that someone else would assume the burden of collecting his scattered writings after his death so as to make him better understood.

Berlin, Springer, 1930. 8vo. In contemporary half cloth with gilt lettering to spine. In "Zeitschrift für Physik", Bd. 61, 1930. Entire volume offered. Stamp to title page, otherwise fine and clean. VIII, 878 pp. First appearance of Bloch's seminal paper in which he introduced the concept of magnons as the elementary excitations in ferromagnetic crystals. The concept of Magnon was introduced in order to explain the reduction of the spontaneous magnetization in a ferromagnet. At absolute zero temperature, a ferromagnet reaches the state of lowest energy, in which all of the atomic spins (and hence magnetic moments) point in the same direction. As the temperature increases, more and more spins deviate randomly from the common direction, thus increasing the internal energy and reducing the net magnetization. If one views the perfectly magnetized state at zero temperature as the vacuum state of the ferromagnet, the low-temperature state with a few spins out of alignment can be viewed as a gas of quasiparticles, in this case magnons.

Berlin, Julius Springer, 1863. Lex8vo. Cont. hcalf. Spine gilt. Nicely rebacked, preserving old spine. XVI,645 pp., 314 fine woodcut-illustr. in the text. Internally fine and clean. Scarce first edition.

Leipzig, Johann Ambrosius Barth, 1862. Without wrappers as issued in "Annalen der Physik und Chemie. Hrsg. von J.C. Poggendorff", Vierte Reihe Bd. 27 (117), Stück Zwei, No. 10. The entire issue offered. Titlepage to vol. 27. Pp. 193-352 a. 1 engraved plate. Ångströms paper: pp. 290-302. First appearance in German of Ångström's famous paper in which he announced the discovery of hydrogen in the atmosphere of the sun and in which he also confirmed the probable existence of of other elements there. The paper appeared in "Oefversigt af K. Vet. Acad. Förhandl." in 1861. The German paper here is expanded. At the same time it was translated into English and publishe as "On the Fraunhofer Lines Visible in the Solar Spectrum".Ångström was one of the early formulators of the science of modern spectroscopy; he wrote extensively on terrestrial magnetism, the conduction of heat, and especially spectroscopy. He published a monumental map of the normal solar spectrum that expressed the length of light waves in units of one ten-millionth of a millimeter, a unit of length now known as the angstrom. He discovered that hydrogen is present in the sun's atmosphere, and he was the first to examine the spectrum of the aurora borealis.

Kiøbenhavn, Med Autors retsmæssige Afstaaelse... Ernst Henrich Berling, 1744. Samtidigt velbevaret helldrbd. Ryg rigt blindtrykt. Marmoreret snit. (4),608 pp. Indvendig rent, frisk eksemplar. Dette er Berlings udgave fra samme år som originaludgaven, iøvrigt den tredie i samme år. - Ehr.-M. X:321.

Glückstadt, Gotthilff Lehmanns Witwe, 1739. 8vo. Pragtfuldt samtidigt rosafarvet helpergamentsbind. På permer blindtrykte rammer med store indvendige blinstrykte hjørnestempler. Håndskreven titel på ryg. Med ejermonogrammet W.J.R.C. på bindets bagside samt åratallet 1742 (indbindingsåret). Med gl. ejernavn på fribladet "Carl Bardenfleth" (Generalløjtnant 1780-1855). Titelblad i rødt og sort. 232 pp. Kobberstukket vignet på blad 2. Rent frisk eksemplar.

Strassbourg, Paris, Fischer, Amand Koenig, An IX - 1801. Small 4to. Bound in contemp. marbled boards, small titlelabel, gilt on spine. Edges slightly rubbed. Fine engraved pictorial titlepage, showing the intestinal worm used as an ornament. (4),52 pp. and 2 engraved plates with figs. Wide-margines, clean and fine, printed on good paper. First edition of this very scarce work describing for the first time this intestinal worm, which Sulzer discovered and named "Bicorne Rude" (a rough double-horned worm). - BMC (NH) V: p. 2048.

Kjøbenhavn, Hoffenberg, jespersen & Traps Etabl., 1870-78. Indbundet i 3 samtidige hshirtbd. Rygge noget slidte ved kapitæler og nogle false. En fals repareret med tape. XIII,346,602;600;VIII,556,(1) pp. Indvendig frisk.

Firenze, Successori Le Monnier, 1877-78. 8vo. Bound in 2 very fine cont. hvellum, profusely gilt spines and title-and tomelabels in red and green. Engraved portrait and frontispiece. XI,501,(1);XIV,(1),654 pp., many plates in wood-cut. First edition. The original printing.

Paris, Roret, 1828. 12mo. Uncut in cont. blank wrappers. IV,283 pp. + Publisher's announcements 36 pp., 2 folded engraved plates and 3 folded tables. Titlepage and last page a bit soiled. This popular work ran through many editions, sometimes under different titles. The popularity of these works printed by Roret is such that a number of them have recently been reprinted...(Chris Philip V.040 ff.).

Austin, J.Harwood, and G.& C.Pyne, ec.ec. With descriptions by Thomas Allen. Ldn., 1832. 4to. Orig.hcalf. Back gilt. Edges gilt. Engr.title & printed, 112 pp. and lob engravings on 56 plts.

Paris, Fuchs et Guillaume, An VIe. (1798). Contemp. hcalf. Spine gilt. Very slightly rubbed. Small stamps on verso of titlepage. In: "Annales de Chimie, ou Recueil de Mémoires concernant la Chemie" Tome 26. - 340 pp. a. 1 engraved plate.(the entire volume offered). Vauquelin's papers: pp. 155-169, pp. 170-177 a. pp. 259-265. Some brownspots to the first and last leaves, otherwise fine and clean. First printing of the papers in which Vauquelin describes and announces his discovery of Beryllium."The discovery of beryllium resulted from the Abbé Haüy's observation of the close similarity and probable identity of beryl and the emerald. At his suggestion Vauquelin made some very careful chemical analyses of these two minerals, and found in 1798 that they are indeed identical, and that they contain a new earth, which he named glucina, but which is now known as beryllia. The metal was isolated thirty years later by Wöhler and Bussy independently.....At the suggestion of the editors of the "Annales de Chemie....", he called the new earth 'glucina', meaning sweet." (Weeks in "Discovery of the Elements", p. 153-54). - Parkinson "Breakthrough" 1798 C.The volume contains other importent papers in the history of chemistry, Hassenfratz "De l'Areométrie" + "Suite..." 2 Paprs., Berthollet, Chaptal, Guyton, Fourcroy, Priestly (first app. in French) etc.

Kjøbenhavn, Kongl. Wáysenhuses Bogtrykkeri, 1788 + 1780. 4to. Samtidigt helldrbd. over træ. Permer rigt blindtrykt. Ryg med ophøjede bind. Slid ved kapitæler. En smule skindtab ved midterste rygfelt. Med en (af to) lukkestroppe i skind og messing. (8),710;614,(2) pp. + Anhæng 88 pp. Indvendig ren. På fribladene nogle gamle ejerindskrifter.

(Paris, Crochard, 1828). No wrappers. In: "Annales de Chimie et de Physique, Par MM. Gay-Lussac et Arago.", tome 37 (sec. cahier), Titlepage to vol. 37, pp. 113-223. (Entire issue offered). Ampere's paper: pp. 113-139 a. 1 large folded engraved plate. First appearance of Ampere's last major paper on magnetism and electricity. As in his most importent paper from 1827, he shows the unification of the electric and the magnetic fields and treats the relations mathematically.

Wittenberg, Zachariae Schurer, 1607. 8vo. Bound in one contemp. full vellum. Handwritten titles on spine. Outher margins at the first ab. 10 leaves with a faint dampstain. (22),640 pp. + de Sihna: (12),(96) pp. + Balthasare: (16),1-256 pp. (incomplete, should be 267 pp.).

Leipzig, Johann Ambrosius Barth, 1837. Without wrappers as issued in "Annalen der Physik und Chemie. Hrsg. von J.C. Poggendorff", 40. Bd., 4. issue ("Heft" No 4, 1837). Titlepage to vol. 40. Pp. 497-644 a. 1 engraved plate. (entire issue "Heft" 4 offered). Magnus' paper: pp. 583-606, 1 woodcut in the text. Clean and fine. First printing of a classic paper in physiology in which Magnus concludes that RESPIRATION TAKES PLACES IN THE TISSUES. After he had analyzed gases in the blood he found that there was a higher concentration of oxygen in the blood flowing in arteries than that flowing in the veins, thus being the "First quantitative analysis of the blood gases" (Garrison & Morton, No. 929)."In this paper Magnus determines that the oxygen, nitrogen and carbon dioxide content of the arterial and venous blood of horses. He introduces blood into mercury in a funnel and, by repeatedly applying nergative pressure, he liberates the gases from the blood. The mercury seal maintains the anaerobic conditions when transferring the gases to a eudiometer for analysis. Magnus finds a positive arterio-venous difference for oxygen and a negative difference for carbon dioxide. rom this he concludes that carbon dioxide is added not in the lungs but during circulation. he also calculates the balance of carbon dioxide, assuming values for the cardiac output and carbon dioxide elimination and the measured arterio-venous difference. This is the first use of what later came to be called Fich's principle."(Gedeon "Science and Technology in Medicine" Nr. 37).

Berlin, Copenhaque, De Gruyter & Cie, C.E.C. Gad, 1960. Folio. 2 orig. full cloth with dustjacket. 576,(1) pp., profusely illustrated and 1 folded map. Clean and fine in orig. box.

Kiøbenhavn, Andreas Seidelin, 1804. 4to. Samtidigt, lidt beskedent hldrbdind. Kapitæler repareret. Ryg med brugsspor. XXXXIV,435,(1) pp. Stort udfoldeligt kobberstukket prospekt af Randers (forstærket med shirt på bagsiden og med 2 brunpletter) samt stor udfoldelig kobberstukket grundplan af byen. Indvendig velbevaret, trykt på skrivepapir. Originaltrykket.

Washington, George W. Bowman, 1860. 4to. Orig. blindtamped full cloth. Spine and covers loosening. Corners bumped. Wear to edges. Stamp on title-pages. Chromolithographed title-page and printed. XVI,287 pp. Profusely textillustrated, and illustrated with 83 large folded maps, lithographed plates, lithographed plates in colour etc. A dampstain to the last 10 plates, mostly seen on verso. Published as 36th Congress, 1st Session - Senate - Ex. Doc. No. 59

Paris, Firmin Didot Frères, 1863. Large 4to. Orig. clothbacked printed blue boards. Small tears in joints at foot of spine. Stamp on title-page. VIII,248 pp., 13 folded plates (maps etc.). First edition. This is a French translation and adaptation of Maury's pioneering work on ocean winds and currents.

København, 1805. Rent ekspl.på skrivepapir indbundet i 2 samt.hldrbd. Rygge med brugsspor. M.4 skindtitelfelter på rygge, hvoraf det ene er slidt halvt væk. I kassette. Originaludgave med førstetryk af bl.a."Aladdin, eller den forunderlige Lampe."

Kiøbenhavn, Nicolaus Møller, 1759. Lille 8vo. Samtidigt hldrbd. Rygforgyldning. Forgyldt skindtitel på ryg. Ryg med lette brugsspor. (20),312,(2) pp. Indvendig ren, trykt på skrivepapir. Den sjældne originaludgave. "Det er dog ikke blot R's stil, som frembyder den underlige dobbelthed; det samme gjælder om hele hans Standpunkt: paa samme Tid, han lovpriser Enevoldsmagten of det bestaaendes Herlighed, er han gjennemtrængt af det 18. Aarhundredes Frihedsideer. Montesquieu og Rousseau ere hans Læremestre. Det kjendes lige fra hans Ungdomsarbeide "Tanker om Kiærlighed Til Fædrelandet" (1759), der vakte betydelig Opmærksomhed og gav Rahbek Anledning til at nævne ham som "vor Borgerfriheds første Apostel", og til hans senere Skrifter."(Bricka, DBL).

(Paris, Imprimerie Royale, 1755). 4to. Extract from "Mémoires fe Mathematique et de Physique, Présentés à l'Academie des Sciences par divers Savans", Tome II. Pp. 393-407. With titlepage to vol. II. Clean and fine. Firs appearance of the paper in which De Romas describes his invention of the electrical kite."De Romas, who independently of Franklin hit on the electrical kite, seems to have proposed an experiment much like that of Marly in 1750 or 1751. He fiercely defended his independence against Priestly's insinuation that he merely improved upon Franklin's demonstrations...In fact de Romas drew his inspiration from the Bordeaux prize question of 1749 which, in turn, derived from Nollet's speculations."(Heilbron "Electricity in the 17th and 18th Centuries", p. 351).

Jenae, Io. Adam Melchior, 1741. Sall 4to. Contemp. full vellum. Some spots to frontboard and a bit of soiling to last board. Faint handwritten title to spine. (42),288,(32) pp. Wide-margined. Some foxing to inner margin of last 10 leaves in "Index"., otherwise fine and clean.

Washington, Governemnt Printing Office, 1900. Large 4to. Orig. red full cloth. Gilt lettering on spine. Spine dusty. VII,856 pp., textillustrations, 33 plates and 27 folded maps. Internally clean and fine.