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Leipzig, B.G. Teubner, 1893. 8vo. Original printed wrappers, no backstrip. In "Mathematische Annalen. Begründet 1893 durch Alfred Clebsch und Carl Neumann. 43. Band.41. Heft." Entire issue offered. [Killing:] Pp. 569-90. [Entire issue: Pp. 457-601 pp]. First printing of German mathematician Killing's paper on projective geometry. Killing is famous for his contributions to the theories of Lie algebras, Lie groups, and non-Euclidean geometry.

Leipzig, Zentralantiquariat, 1976. 4to. Orig. full cloth. 615,16 pp., textillustr. and many plates.

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

Sth., 1796. Nyere hshirtbd. 102 pp. Første svenske udgave.

1861. 8vo. I nyere papbind med marmorerede permer og rødt skin titelfelt på forperm. Pænt i ren. I "S. t. Fyens Hist. I, 1861". Pp. (121)-134

(Paris, Bertrand, ca. 1840). 38x27 cm. (billedflade). Originalt litografi trykt på kinapapir (Dessinée par A. Mayer). Prospekt af vandfaldet med folk og heste i forgrunden. Planche nr. 61 fra Paul Gaimard "Voyage en Islande et au Groënland pendant les Anneés 1835 et 1836 sur la Corvette la Recherche. Paris, Arthur Bertrand, 1842."

Hafniae, Proft et Storch, 1796. Samtidigt helldrbd. Rygforgldning. Ryg noget slidt. XLIX,576,(2) pp. samt 1 stor foldeplanche.

London, His Majesty's Stationery Office, 1924. 8vo. In contemporary half cloth with gilt lettering to front board. Stamps to verso of front board, otherwise fine. 40 pp. + 11 plates depicting lanterns.

(Paris, Mallet-Bachelier), 1854 4to. No wrappers. In: "Comptes Rendus Hebdomadaires des Séances de L'Academie des Sciences", Tome 38, No 6. Pp. (237-) 292. (Entire issue offered). Deville's paper: pp. 279-281. First printing of the paper in which Sainte-Claire deville reveiled his process for the production of pure aluminium by creating the first crystalline silicon and perfecting the electrolytic process for obtaining metallic aluminium from sodium aluminium chloride."He worked out a process for producing pure aluminum by reducing its salts with sodium. Deville’s methods made both metals readily available and drastically reduced their cost, but he himself did not take much part in their later industrial development. He used the sodium obtained by his method for the preparation of such elements as silicon, boron, and titanium."(DSB).Parkinson "Breakthroughs" 1854 C.

København, 1971. Stor8vo. Orig. omslag med orig. træsnit. 127 pp. Talrige træsnit trykt med de originale skæringer af Thejls. Nr. 629 af 800 eksemplarer signeret af Carl-Henning Pedersen og med egenhændig dedikation: "15. april 1972/ Kæreste Grete (Zahle) !/ Nok et nyt forår oplever vi - dine hengivne Kari-Else-og Carl-Henning". Frisk eksemplar.

New York, American Telephone and Telegraph Company, 1926. 8vo. Original full green cloth. Volume V, 1926 of The Bell System Technical Journal. Library stamp to front free end-paper and title page. Minor bumping to extremities. A nice and clean copy. Pp. 50-95. [Entire volume: (10), 661, pp. + 2 plates]. First edition of the scarce last chapter (VI) in serie of papers by Carson on the effects of filters on amplitude modulation via operational calculus, hereby allowing telephone system designers to predict crosstalk in multiple calls over a single pair of wires.The articles culminated in his 1926 book Electrical Circuit Theory and Operational Calculus. Carson was one of the most prolific inventors of the radio era and was a noted transmission theorist for early communications systems.

(London, J. Nichols, 1778). 4to. Extracted from "Philosophical Transactions", Year 1777. Vol. 67 - Part II. Pp. 388-400 and 1 folded engraved plate. In this paper Cavallo confirms the experiments of Volta and Henley on the repulsive forces of electricity and relates experiments on frictional electricity.. The plate depicts Cavallo's invention, the portable electrometer.Wheeler Gift: 2471.

Kbhvn., 1820. Samt. hshirtbd. 40 pp. Med Svend Grundtvigs navnetræk. Dette lille værk er vel egentlig starten på den danske dialektfoskning, et projekt som blev startet på opfordring af Molbech i 1811 ved hans skrift"Om Dialecter eller Mundarter...". Vedlagt 2. udgaven. 1917.

Paris, An XII-1803. 2 cont. hcalf. Richly gilt backs, raised bands. Small tear at upper compartment of vol. I. XXXII,772,800,(2) pp. A fine clean copy on good paper.

Münch., 1829. cont.hcalf. Richly gilt back. Back slightly worn. XIV,321,VII,314 pp.

Glasgow, Brown, Son & Ferguson, [vol. 1:] 1927 & [vol. 2:] 1960. 4to. In publisher's two blue embossed full cloth bindings. Volume 2 with micolouring to extremities and volume 1 with miscolouring to edges and light occassional brownspotting internally, otherwise fine. XV, (1) 448; XIV, (2), 518 pp. First edition of volume 1 and later reprint of volume 2 of Lubbock's famous work on Clippers and Frigates.

Kjøbenhavn, Soldin, 1803. Ubeskåret i original blåt hollanderet bind. Rygpapiret delvist borte. Stempel på titelbladet. VIII,964 pp.

Jena, Buch, 1736. 8vo. In contemporary full calf with four raised bands and gilt lettering and ornamentation to spine. Wear and a few scratches to extremities. Internally with a few wormtracts. (30), 480, (16) pp.

Berlin, Georg Reimer, 1832. 4to. No wrappers. Extracted from"Journal für die reine und angewandte Mathematik. Hrsg. von A.L. Crelle", Bd. 9, 1832, Fine and clean. 26 pp. First printing of Richelot's important paper in which he for the fist time presented the construction of a regular 257-gon.

Kjöbenhavn, Thiele, 1822. 4to. Originale brune kartonomslag, hvorpå bogtrykt titeletiket på foromslaget. Indsat i et senere papomslag med shirtryg. 16 pp. Trykt på skrivepapir.

(Paris, Gauthier-Villars), 1899. 4to. No wrappers. In: "Comptes Rendus Hebdomadaires des Séances de L'Academie des Sciences", Tome 129, No 24. pp. (985-) 1047. (Entire issue offered). Becquerel's paper: pp. 996-1001. 1 textillustr. Clean and fine. First printing of an early importent investigation on the newly (1896) discovered phenomenon of radioactivity."Toward the end of 1899 (his first report is dated 11 December), he began to investigate the effects on the radiation from radium of magnetic fields in various orientations to the direction of its propagation (in modern terms, the magnetic deflection of the beta rays from shortterm decay products in equilibrium with the radium). In this work he united two descriptive traditions, the magneto optics of his own experience and a line of qualitative studies of the discharge of electricity through gases. He soon moved from these to J. J. Thomson’s more radical program of quantitative observations on collimated beams, in which Thomson had shown (1897) that the cathode rays were corpuscular and consisted of streams of swiftly moving, negatively charged particles whose masses were probably subatomic. By 26 March 1900, Becquerel had duplicated those experiments for the radium radiation and had shown that it too consisted of negatively charged ions, moving at 1.6 × 1010 cm./sec. with a ratio of m/e = 10-7 gm./abcoul. Thus Thomson’s "corpuscles" (electrons) constituted a part of the radiations of radioactivity." (DSB).

Cont. boards. Back repaired and with tears. Old name on title. Engraved titlevign. (12),471,(25) pp.

Leipzig, Weygandschen Buchhandlung, 1773-54. 4to. Bound in one contemp. full calf. Raised bands. Some leather gone at upper compartment. Rubbed. Engraved portrait. 16,496,(16);(40),538,(40) pp. 2 engraved titlevignettes.

4to. 340 pp., including 279 maps. (Kungl. Svenska Vetenskapsakademiens Handlingar).

(Wisconsin), The Association for Symbolic Logic, 1949. Lev8vo. Bound in red half cloth with gilt lettering to spine. In "Journal of Symbolic Logic", Volume 14. Barcode label pasted on to back board. Small library stamp to lower part of 6 pages. A very fine copy. Pp. 159-66. [Entire volume: IV, 284 pp.). First printing of Henkin's important paper which his version of the proof of the semantic completeness of standard systems of first-order logic, today known as the "Henkin's completeness proof":Gödel published a version of the proof in 1930 but Henkin's was much easier to survey than Gödel's and has thus become the standard choice of completeness proof for presentation in introductory classes and texts.