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Kiöbenhavn, Ernst A.H. Möller, 1808. 4to. Senere hshirtbd. Titelfelt i guld på forpermen. Stempel på titelbladet. (2),24 pp. samt 2 udfoldelige kobberstukne plancher med mange kystprofiler, landtoninger. rent, frisk eksemplar trykt på skrivepapir.

Stockholm, Wiborgs Forlag, Hedmanske Bogtrykkeri, 1817. Samtidigt hldrbd. Rygforgyldning. Forgyldt titeletiket. (8),44,168 pp. samt 1 kobberstukket planche. Få svage brunpletter. Originaludgaven af dette betydningfulde arbejde "ved hvilken han i Virkeligheden grundlægger det videnskabelige Studium af dette Sprog."(Vilh. Thomsen). - Rask Bibliografi I,23.

A.Såve, lithograferade i Em.Bårentzens & Comp.Lithografiska Inst .... jem te en Karta õfwer Gotland och Plan of Wisby,samt beskrifvande Text of Carl Johan Bergman. Sth., Kbhvn., 1858. Tvær-fol. Orig. dek.papbd.m.shirtryg. Bindet lidt slidt. 62 pp., 20 pla

Paris & Petersbourg, Anselin et Pochard, Saint-Florent, 1824. 2 contemp. hcalf. Gilt spines. Gilt lettering. A paperlabel pasted on spines. Stamps on title-pages. X,392;(4),459 pp. Scattered brownspots. Without "Atlas des Planches". First edition.

Paris, J. Techner, 1844. 8vo. Bound uncut in contemp. hcalf, spine richly gilt and titlelabel with gilt lettering. Small tear at upper hinge. (4),III,VIII,56,492,3,24,28 pp. Clean and fine, printed on good paper. First edition of the famous French bookcollector's description and catalogue of his own collection. Each entry (1254 items) has bibliographical notes.

(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).

London, John Murray, 1821. 4to. Contemp. full mottled calf. Titlelabel with gilt lettering. Hinges repaired. Repairs to upper compartment. Spine rubbed, corners bumped. Inner hinges strenghtened. Front free endpaper missing. (8),XXIX,310,CLXXIX pp. With 9 (of 20) engraved plates, but the 3 folded maps and charts are present. Title-page and the first few leaves frayed in outer margin. A few scattered brownspots, in general internally clean. First edition. - Sabin, 58860. - Arctic Bibliography, 13145.

Paris, Firmin Didot Frères, 1840. Bound uncut in one contemp. hclot. Handwritten titlelabel on spine. (6),96,64,90,328 pp. and 85 engraved plates incl. 8 engraved plates, some folded. A faint dampstain to upper right corner of the first 6 leaves.

K., 1843. Indb. ubeskåret m. orig. for- og bagomsl. i nydeligt senere hldrbd. m. rygforgyldn., topguldsnit (Anker Kyster). Ryg lidt falmet for oven. Nydeligt og rent ekspl. Originaludgaven m. det sjældne omslag. Bertelsen 29.

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 25. - 335,(3) pp., 2 engraved folded plates and 1 folded table..(the entire volume offered). Vauquelin's papers: pp. 21-32 a. pp. 194-204. 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 Chromium. The first paper was simultaneously printed in Mem.de l'Institut. Because of its many coloured compounds Fourcroy and Haüy suggested the name 'chromium' for the new metal. (Greek, chroma-colour).In 1797, Vauquelin began his own studies of Siberian red lead. He was convinced that the mineral contained a new element. None of the elements then known could account for his results. He reported "a new metal, possessing properties entirely unlike those of any other metal." A year later, Vauquelin was able to isolate a small sample of the metal itself. He heated charcoal (nearly pure carbon ) with a compound of chromium, chromium trioxide (Cr 2 O 3 ). When the reaction was complete, he found tiny metallic needles of chromium metal. DSB XIII, p. 597 - Parkinson "Breakthrough" 1798 C.The volume contains other importent papers in the history of chemistry, Guyton "Examen de quelques propriétés du Platine" a. "Examen de quelques critiques de la nomenclature de chimistes francais", Chaptal "Observations sur la fabrication de l'acétite de cuivre (verd-de-gris) etc.

Leipzig, 1846. Uncut in orig.blue printed wrappers. X,455,X,448 pp.

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).

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.

Kjøbenhavn, Gyldendal, 1877-1902. 4to. Indbundet ubeskåret i 4 ensartede, solide hldrbd. i rødbrun oaseged. Et par ubetydelige stænk på rygge. Originaltrykket.

Flensburg & Leipzig, Kortschen Buchh., 1775-79. 8vo. Bound in 4 cont. boards with marbled coverpapers. Bindings, especially backs a little rubbed. Title-and tomelabels in leather on backs. 4 engraved titlevignettes ( 3 in woodengr.) (16),XXXVI,(4),484;(24),552;(24),492;(20),426 pp. and 3 folded genealogical tables. Some light browning throughout. First edition.

Paris 1812. 4to. Cont. hcalf. Gilt back. Lover part of back rep. with tape. MIV, 616 pp. and 11 large fold. engr. plts. On good paper. St.o.t.

Braunschweig und Berlin, Vieweg & Sohn, Julius Springer, 1921. 8vo. Bound in contemporary half cloth. Crossed out stamp on title-page. In "Zeitschrift für Physik. Hrasg. von Karl Scheel", vol. 6. Entire volume offered. [Bohr's paper:] pp. 1-9. [Entire volume: IV, 416 pp]. First edition of this seminal contribution to the correspondence principle. "...in the hands of Bohr and his school the correspondence principle was like "a magic wand that allowed the results of the classical wave theory to be of use for the quantum theory...but a costly price had to be paid. For taking resort to classical physics in order to establish quantum-theoretic predictions, or in other words, constructing a theory whose corroboration depends on premises which conflict with the substance of the theory, is of course a serious inconsistency from the logical point of view. Being fully aware of this difficulty, Bohr attempted repeatedly to show "the correspondence principle must be regarded purely as a law of quantum theory, which can in no way diminish the contrast between the postulates and electrodynamic theory." The earliest allusion to such a conception may perhaps be found as early as 1921 in a paper (the paper offered) in which Bohr briefly discussed the function of the principle..."(Jammer).The volume contains paper by famous phycisists such as E. Brody, H. Pauli, M. Born, W. Pauli Jr. and many others.

Braunschweig und Berlin, Vieweg & Sohn, Julius Springer, 1921. 8vo. Bound in Contemporary half cloth. Stamp on title-page. In "Zeitschrift für Physik. Hrasg. von Karl Scheel", vol. 6. [Bohr's paper:] pp. 1-9. [Entire volume: IV, 416 pp]. First edition of this seminal contribution to the correspondence principle. "...in the hands of Bohr and his school the correspondence principle was like "a magic wand that allowed the results of the classical wave theory to be of use for the quantum theory...but a costly price had to be paid. For taking resort to classical physics in order to establish quantum-theoretic predictions, or in other words, constructing a theory whose corroboration depends on premises which conflict with the substance of the theory, is of course a serious inconsistency from the logical point of view. Being fully aware of this difficulty, Bohr attempted repeatedly to show "the correspondence principle must be regarded purely as a law of quantum theory, which can in no way diminish the contrast between the postulates and electrodynamic theory." The earliest allusion to such a conception may perhaps be found as early as 1921 in a paper (the paper offered) in which Bohr briefly discussed the function of the principle..."(Max Jammer).The volume contains paper by famous phycisists such as E. Brody, H. Pauli, M. Born, W. Pauli Jr. and many others.

(New York), American Telephone and Telegraph Compagny, 1959. 8vo. In the original blue printed wrappers. In "The Bell System Technical Journal", Volume 38, Number 3, pp. Light miscolouring to spine, otherwise a very fine, clean and fresh copy. Pp. 611-656. [Entire volume: Pp. 611-907]. First printing of Shannon's important 1959-paper in which he showed that an optimal code is built by uniformly placing codewords on an n-dimensional sphere. An upper and a lower bound for the word error rate performance Pew of such a spherical code have been established by Shannon on anAWGN channel for finite n."A study is made of coding and decoding systems for a continous channel with an additive gaussian noise and subject to an average power limitation at the transmitter. Upper and lower bounds are found for the error probability in decoding with optimal codes and decoding systems. These bounds are close together for signaling rates near channel capacity and also for signaling rates near zero, but diverge in between. Curves exhibiting these bounds are given." (Shannon p. 611).Hook & Norman: 898.

København, Schubothe, 1899. 8vo. I det originale komponerede helshirtbind med rygforgyldning og rigt dekoreret forperm. En smule ubetydeligt kantslid. Med egenhændig dedikation fra Bang på forsatbladet: "Fritz. / _____ / Herman. / 8.12.99." Ren og pæn indvendig. Med frontispieceportræt af Bang. Nydeligt eksemplar af med dedikation til Fritz Boesen (egtl. Jørgen Frederik Boesen, 1877-1931). Fritz var i årene 1898-1900 skuespiller ved Folketeatret, hvor Bang var sceneinstruktør.

Slagelse, Peter Magnus & Kjøbenhavn, Brumme, 1824-26. 8vo. Indbundet i et nydeligt samtidigt halvlæderbind med rygforgyldning og forgyldt rygtiteletiket. En smule kantslid og hjørner stødte. Ganske ren og pæn indvendig. Med lang egenhændig dedikation fra Simon Meisling på forsatsbladet: "Maatte dette Værk, kjære Hr Doctor Hun-/ drop! være en liden Opmuntring/ for deres Emil til i sin Tid at/ læse det hele skjønne Epos af/ Virgil, vil det meget glæde/ Herr/ S. Meisling./ Slagelse den 4./ Marz. 1826." XX,190;VIII,222 pp. Herligt dedikationseksemplar, fra oversætteren, af det sjældne originaltryk af Meislings berømmede oversættelse, som udgør den 2. danske fuldstændige oversættelse af Æneiden. - Bibl. Danica IV:139.

København., Forfatterens Forlag, 1844-53. 4 samt. hldrbd. med rygforgyldning. Lettere brugsspor. Stempel på titelblade. XII,563,705,690,976 pp. Med 2 kort, det ene håndkoloreret (Forchammers kort fra "Danmark geognostisk beskrevet"). Indvendig frisk, få brunpletter. Originaludgaven af første samlede fremstilling af Danmark i statistisk henseende. 1. Bind.: "Om den danske Stats naturlige Beskaffenhed og befolkning" - 2. "Om den danske Stats Landboforhold, Agerdyrkning, Industri og Handel." - 3. Om den danske Stats immaterielle Cultur, Statsforfatning, beskatningsvæsen, og øvrige finantsielle Forhold" - 4. Om forskjellige Statsforvaltningsforhold, Monarkiets udvortes Forhold, de fjernere Statsdele m.m.Bind 4 indeholder længere afsnit om Island (pp. 387-475, om Færøerne (pp. 475-504), om Grønland (pp. 505-556), om De dansk Vestindiske Øer (pp. 557-711).

Paris, Guillain, 1687. 8vo. In contemporary full sprinkled calf with five raised bands and richly gilt spine. Edges of boards gilt. Parts of gilting worn off. Ex-libris pasted on to pasted down front end-papers. (32), 811, (2) pp. (12), 628 pp. With numerous engraved coat of arms included in the pagination. Uncommon work being a directory on French Princes, Dukes and high-ranking nobility and military officials of France.

Leipzig, T.O. Weigel, 1882. Small folio. In original full cloth portfolio, richly gilt. Rebacked. Inner flaps defective. (8),40 pp. and 25 chromolithographed plates (1 general plan and 24 plates), all with tissue guards. Plates and text inlaid as issued. Plates fine.