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Nydeligt lidt senere hldrbd. m. rygforgyldn. Øvre fals en smule stødt. Særdeles rent og nydeligt ekspl. Originaludgave. Himmelstrup 272.

Berlin, Springer, 1929. 8vo. In contemporary half cloth with gilt lettering to spine. In "Zeitschrift für Physik", bd. 57, 1929. Entire issue offered. Library stamp to front free end-paper and light wear to spine, otherwise fine and clean. Pp. 30-70. [Entire volume:VII, (1), 872 pp.]. First printing of Neumann's important formulation and proof of an ergodic theorem for quantum systems."The basic principle of this work is to define quantum analogues of cells in phase space by considering sets of quantum states for which all macroscopic quantities have given values within a certain inaccuracy. One further considers the unitary transformation u relating these quantum states to the eigenstates of the hamiltonian. The ergodicity is then established for "almost every" value of the transformation u. Although the latter restriction is a rather unsatisfactory one from the physical standpoint, one must consider von Neumann's ergodic theorem as one of the very few important contributions to a most difficult subject which even now is far from complete clarification." (Hove, Von Neumann's Contributions to Quantum Theory, p. 98).

(Paris), Les éditions Nagel, (1946). 8vo. Uncut and in the original printed wrappers, w. black and blue printing. A very nice and clean copy with almost no markings . 141, (3) pp. First edition (43e mille, on back wrapper), the regular issue (not one of the 500 numbered copies) of the second of Sartre's two main philosophical works, which have both influenced 20th century philosophy greatly, and contributed immensely to the development of existentialism in general. "Existentialism is a Humanism" became one of Sartre's most widely read and most criticized works, and it caused great controversies and uproar at the time of its appearance; -as opposed to his "L'Être et le Néant", all of Sartre's critics actually read this work, and so did huge parts of the population, causing the book to appear in huge numbers after the publication of the first edition.The work is the literary re-working of an exposition given by Sartre at a conference in October 1945, where he caused a scandalous discussion, which among other things led to the fact that all references to the existentialist T.E. Lawrence were omitted from the work when it appeared in print. "Cette conférence marqua une date dans l'histoire anecdotique de l'existemtialisme..." (Contat & Rybalka p. 131)."L'Existentialisme est un Humanisme" fut l'un des ouvrages les plus lus et les plus critiqués de Sartre et suscita de considérables malentendus. Comme l'a bien vu M.-A. Burnier dans "Les Existentialistes et la politique" (p. 31), "l'importance prise par ces pages semble due à la paresse d'un bon nombre de critiques qui hésitant à lire "L'Être et le Néant" et qui furent heureaux de pouvoir attaquer Sartre sans grande fatique et avec bonne conscience après avoir parcouru 141 pages." Il est bon de rappeler cependant que l'ouvrage constitue une assez mauvaise introduction à la philosophie de Sartre, surtout pour un public non averti..." (Contat & Rybalka p. 132). Sartre himself also disowned great parts of this work, which makes it all the more interesting, since it is the only one of his works of which he has done so. The work was reprinted numerous times during the first years, and the first edition (on vellum-paper) is very difficult to come by. This copy states "Achevé d'imprimer en février 1946..." and "(1946 1er trimestre)" on colophon, as with the numbered issue.Contat & Rybalka 46/88.

Kiöbh., 1816. Samt. slidt hldrbd. Kobberst. titelbl., indvendig helt frisk. På skrivepapir. Originaludgavenn, indeholdende originaltrykkene af to af de mest kendte Ingemann-digte: "Kong Valdemars Jagt" ("Paa Sjølunds Fagre Sletter") og "Til Dannebroge" ("Vift stolt paa Codans Bølge!").

New York, American Telephone and Telegraph Company, 1929. 8vo. Volume VII, October, No. 4, 1929 of "The Bell System Technical Journal". In the original printed bluish grey wrappers. A bit of sunning to extremities and a pencil-marking to top of front wrapper. Internally clean. Pp. 806-54.[Entire issue: Pp. 613-861.] First printing of this very early study on the technique behind articulation testing. Harvey Fletcher pioneered in research within hearing and psychoacoustics and dominated all research in acoustics within Bell Systems in the period 1925 to 1950. Fletcher is often referred to as the "father of stereophonic sound".The issue contains the following papers:1. Dodge, H.F.; Romig, H.G. A Method of Sampling Inspection. Pp. 613-631.2. Molina, E.C.; Wilkinson, R.I. The Frequency Distribution of the Unknown Mean of a Sampled Universe. Pp. 632-645.3. Sivian, L.J. Speech Power and Its Measurement. Pp. 646-661.4. Wise, W. Howard. Asymptotic Dipole Radiation Formulas. Pp. 662-671.5. Darrow, Karl K. Statistical Theories of Matter, Radiation and Electricity. Pp. 672-748.6. Townsend, J.R.; Straw, W.A. Physical Properties and Methods of Test For Some Sheet Non-Ferrous Metals. Pp. 749-805.7. Fletcher, H.; Steinberg, J.C. Articulation Testing Methods. Pp. 806-854.

A Potsdam, (Lyon), 1760. Cont.full mottled calf,richly gilt back. VIII,299 PP

Kbh., 1843. Indb. ubeskåret i senere hldrbd. Indvendig pæn. Originaludgave. Bertelsen 29.

Sthlm., 1838 - 39. Pænt samt lilla helshirtbd., ryg falmet, indvendig ren og pæn. Første svenske udgave.

Essay om sømanden og hans kår.

Kiøbh., 1791. Et samt. hldrbd. m. 4 oph. bd. på ryg og enkel rygforgyldn. Skindtitelfelt på ryg slidt. Hjørner stødt. Gl. ejernavn på titelbl. Indvendig særdeles friskt ekspl. På skrivepapir. Originaludgaven af dette frisindede værk, der bl.a. bevirkede, at Baggesen blev anklaget for blasfemi og injurier. Plesner s. 72.

Odense, 1778. Samt. slidt hldrbd. Ryg med tab af skind øverst og nederst. Kobberstukket titelvignet. 284 pp. Brugsspor. Ses ikke at være anført i Bibl. Danica og dets Supplementer !

Cont. marbled boards. Back with a little wear. (16),312,(6) pp.

København, Gyldendal, 1912-16. 2 samtidige hshirtbd. De originale bogtrykte foromslag påsat forpermerne. Stempler på titelblade. XXIV,254;(4),276 pp. Rigt illustreret og med kortbilag.

(Berlin, Stockholm, Paris, Alqvist & Wiksell, 1894). 4to. Without wrappers as extracted from "Acta Mathematica. Hrsg. von G. Mittag-Leffler.", vol. 18, pp. 161-232. First edition. "Vito Volterra (1860-1940), who succeeded Beltrami as professor of mathematical physics at Rome, is the first of the founders of a general theory of integral equations. He wrote papers on the subject from 1884 on and principal ones in 1896 and 1897." (Morris Kline).

Leipzig, Hinrichsen Buchhandlung, 1838. Later hcalf, gilt back with a paperlabel pasted on back. Stamp on title. X,390 pp. and 1 double-page lithographed plate as frontispiece. Some scattered brownspots.

K., 1849. Smukt nyere helldrbd. m.oph.bd.på ryg og rygforgyldn. 442 pp. - Originaludgaven.

Landshut, Thoman, 1830. Small 8vo. Later clothbacked boards. (6),178,(2) pp.

K., 1844. Samt.hldrbd. M.rygforgyldn. XX, 1062 VII pp.

New York & Basel, Marcel Dekker, 2000. Orig. cased boards. X, 725 pp. Illustrated.

Ratisbonne, Jean Aubri, 1677. 8vo. In contemporayr full with five raised bands and richlt gilt spine. Small paper-label pasted on to top of spine. Crossed out name to title-page otherwise a nice and clean copy. (12), 259, (1) pp.

(Paris, Bertrand, ca. 1840). 29,5x43 cm. (billedflade). Originalt litografi, trykt på kinapapir med brede marginer (dessiné par A. Mayer). Prospekt af Hörgsdalur med fossen i baggrunden og forrest bønder og handlende med heste foran et hus, i baggrunden en gård. Planche Nr. 74 fra Paul Gaimard: Voyage en Islande et au Groënland exécuté pendant les Années 1835 et 1836 sur la Corvette la recherche. Paris, Arthur Bertrand, 1842.

(Paris: Gauthier-Villars), 1855. 4to. No wrappers. In: "Comptes Rendus Hebdomadaires des Seances de l'Academie des Sciences", Vol 40, No 5 + 6. Pp. (205-) 260 a. pp. (261-) 324. (2 entire issue offered). Hermite's paper's: pp. 249-256 a. 304-309. First printing of Hermite's importent paper in which he created the theory of transformations."Another topic on which Hermite worked and made important contributions was the theory of quadratic forms. This led him to study invariant theory and he found a reciprocity law relating to binary forms. With his understanding of quadratic forms and invariant theory he created a theory of transformations in 1855. His results on this topic provided connections between number theory, theta functions, and the transformations of abelian functions.""Hermite’s 1855 results became basic for the transformation theory of Abelian functions as well as for Camille Jordan’s theory of "Abelian" groups. They also led to Herrnite’s own theory of the fifth-degree equation and of the modular equations of elliptic functions."(DSB).

Kiøbenhavn, Berling, 1761. 4to. In contemporary full calf with five raised bands and gilt lettering and ornamentation to spine. Small paper-label pasted on to top of spine. Light wear to extremities, scratches to boards. Internally nice and clean. (2), 428 pp Biblioteca Danica I, 433.

Stockholm, Hörberg, 1836. Samtidigt rødt hldrbd. med ophøjede bind på ryggen. Permer med brede bordurer i guldtryk, helt guldsnit i gaveeksemplars-udstyr med kronot monogram i guld på forpermen stort C med et 8-tal i midten. Stempel på titelbladet. (12),400 pp., 7 kobberstukne plancher. Indvendig ren og frisk.

Frankenthal, L.B.F. gegel, 1787. Cont. full calf. Gilt back. Top of spine worn. Back slightly rubbed. Stamp on title. (48),271,(1) pp. Occasionally a little brownspotted. Rumpf:2544.