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Kiøbenhavn, Glasings Efterleverske, 1754. 4to. Samtidigt hellæderbind. Ophøjede bind på ryggen. Rig rygforgyldning. Forgyldt titeletiket. Begge kapitæler restaurerede. Stempel på titelbladet. (12),112,861,(3) pp. Med genealogiske foldetavler. Indvendig ren og frisk.

London, W. Bulmer and W. Nicol, 1821. 4to. No wrappers as extracted from "Philosophical Transactions" 1821 - Part I. With titlepage to Part I. Pp. 222-267 a. 1 engraved plate. Verso of titlepage with 2 stamps. First appearance of this importent paper in optical theory in which Herschel described how to free lenses from the aberration for two axis points, one of which is infinitely distant. It is known as Herschel's condition. "Sir John Herschel gave the condition which must be satisfied in order that a symmetrical optical system, free from spherical aberration for two conjugate axial points, may also be free from spherical aberration for two neighbouring and conjugate points upon the axis of the system; but Herschel's condition applies only to first order aberration, i.e. to aberration depending upon the cube of the inclination of the ray to the axis. Abbe shewed, later, that this condition could be included in a wider result, viz. that the spherical aberration, supposed zero, is stationary for axial variations provided that the incident and emergent rays for two conjugate axial points, associated with modified magnification m, satisfy the relation. (G.C. Stewart)

(Berlin, Haude et Spener, 1750). 4to. No wrappers as issued in "Mémoires de l'Academie Royale des Sciences et Belles-Lettres" Tome IV, Année 1748. Pp. (189-) 218 and 1 engraved plate. First appearance of this paper, in which Euler proves that given the static principle, he can derive the equilibrium conditions for a fluid, and from these, he obtains the integrability conditions for a "Pfaffian" form in three variables. He also looks at the equilibrium of a weight suspended from three elastic cords by looking, via analogy, to a special case of the problem for fluids."In his 1748 paper, Euler in "Reflexions sur quelques loix generales de la nature.." starts by declaring his commitment to the least-action principle. His expression corresponds to what we would now call potential energy, so that his statement of least action (formulated by Maupertuis in 1746) in statics is equivalent to the principle that a system of bodies at rest will adopt a configuration that minimizes total potential energy. Euler called this quantity "effort"."Enestrom: E 146.

Hamburg, Perthes, 1800. Contemp. hcalf. Gilt spine. Titlelabel with gilt lettering. Foot of spine with tear and worn. A paperlabel pasted on spine. Stamp on title-page. (2),189 pp., 2 large folded engraved maps (Egypt). The maps with tear in foldings, repaired on verso, a bit frayed. Scattered brownspots and traces of use.

New York, American Telephone and Telegraph Company, 1975. 8vo. Original full green cloth, bound with the original blue wrappers. Volume 54, 1975 of "The Bell System Technical Journal". Library stamp to pasted down front free end-paper. Minor bumping to extremities. Beside a very few pencil marks a nice and clean copy. Pp. 1355-1387. [Entire issue: Pp. 1179-1796 + 4 wrappers]. First edition of Wyner's highly influential paper on the wire-tap channel. In the paper, Wyner shows how one could obtain "perfect secrecy" when a receiver enjoys a better channel than does the wire-tapping opponent."Aaron's interest in cryptography led him to invent the ``wire-tap channel.'' In his 1975 BSTJ paper introducing this channel, he worked out virtually its complete theory, showing the then-surprising fact that one could obtain perfect secrecy without the advance exchange of secret keys provided that the legitimate receiver enjoys a better channel from the sender than does the wire-tapping opponent. This work, which preceded the introduction of public-key cryptography, has had a steadily increasing influence on developments in this field. Recent results by Maurer and by Csiszar and Korner showing the remarkable usefulness of ``common randomness'' in cryptography are direct consequences of Wyner's work." (From the ITSOC obituary).Aaron D. Wyner is also known for his contributions in coding theory, particularly the Gaussian channel and cryptography.

A Cologne (Köln), Pierre Marteau, 1752. 2 cont. hcalf, raised bands,richly gilt backs. Corners bumped. Title in r/b with 2 engraved titlevignettes. (4),214,(10) ,(4),238,(10) pp., including 2 halftitles. Printed on good paper.

London, n. publisher, 1756. Small8vo. With contemp. blank yellow papercovers in later hcloth. Gilt lettering on spine. Stamp on title-page. XII,249 pp.

Paris, Fortin, Masson et Cie, 1844. 8vo. Contemp. hcalf, raised bands, gilt spine. Light wear along edges. Small stamps on verso of titlepage. In: "Annales de Chimie et de Physique", 3e Series - Tome 3. 512 pp. a. 7 folded engraved plates. Small stamp to verso of plates. (The entire volume offered). Henry's papers: pp. 394-436 a. 1 folded engraved plate (showing Henry's experimental apparatus). Internally clean. First French version of these pioneering papers on electro-magnetic induction in which Henry carried out his program of determining the relationship of static and dynamic electricity.

Kiøbenhavn, Holm, 1788. 8vo. Uncut in the original blank boards. Title in contemporary hand and small paper-label pasted on to top of spine. A few small stains to extremities, otherwise a nice and clean copy. XVI, 244, (4) pp. Den yderst sjældne første del af den første danske udgave af Campe's "Allgemeine Revision des gesammten Schul- und Erziehungswesens von einer Gesellschaft praktischer Erzieher", 1785 - Oplysningstidens pædagogiske hovedværk, hvor hovedmændene for den "filantropistiske skole" fremkom med deres hovedværker. - Der udkom yderligere i 1805 et tillæg, indeholdende 15. og 16. afhandling. - Biblioteca Danica I, 1003.

Kiøbenhavn, Qvist, 1836. 8vo. In contemporary half calf with gilt lettering to spine. Previous owner's name in contemporary hand to title-page. A few annotations in pencil to front free end-paper. Light wear to extremities, otherwise a nice and clean copy. VIII, 223 pp. First, partial, translation of Darvill's "A treatise on the care, treatment and training of the English race-horse" being one of the earliest publications on the subject in Danish.

(No place), The Association for Symbolic Logic, 1952. Lev8vo. Bound in red half cloth with gilt lettering to spine. In "Journal of Symbolic Logic", Volume 17. Barcode label pasted on to back board. Small library stamp to lower part of 6 pages. A very fine copy. Pp. 179-87. [Entire volume: IV, 300 pp.). First printing of this important paper on a theorem about numerical relations and it is established to have certain consequences concerning decidability in quantification theory. Journal of Symbolic Logic, together with Bulletin of Symbolic Logic and Review of Symbolic Logic, is the official journal of Association for Symbolic Logic. The Journal of Symbolic Logic was founded in 1936 and it has become the leading research journal in the field. It is issued quarterly.

Kjøbenhavn, Jacob Preuss, 1740. 4to. Samtidigt helldrbd med spejl (spejlet lidt slidt). Ophøjede bind på ryg og rig rygforgyldning. Lidt tab af skind ved øvre kapitæl. Første titelblad trykt i rød/sort. En del gl. ejertilskrifter nederst på titelbladet. Indvendig ren, trykt på godt papir. (16),368;(2),368,(40) pp. Anden udgave af Kirkehistorien.

London, Bentley and Son, 1886. Royal8vo. 2 orig. full blue pictorial cloth. Some wear along edges. Hinges on volume one with some tears and wear to spine-ends. Volume two rebacked preserving orig. spine. Spines with gilt lettering. Corners bumped. Stamp on title-pages. 2 frontispieces. XXV,428;XII,444 pp. Profusely textillustrated and with plates. Large folded maps mounted on linen. Internally clean.

Berlin, Julius Springer, 1924. Royal8vo. Bound in contemporary half cloth with gilt lettering to spine. In "Die Naturwissenschaften", 12. Jahrg, 1924. The whole year offered. "12" written in hand to spine, otherwise a very fine and clean copy. Pp. 601-602. [Entire volume: XXV, (1), 1412, 60 pp.]. First printing of Einstein's paper on Lord Kelvin and his scientific work. The occasion was the Centenary Year of Thomson's birth and Einstein wrote 'Zum hundertjährigen Gedenktag von Lord Kelvins Geburt (26. Juni 1824)'. In the mid-nineteenth century Thomson's ideas on thermodynamics established the base line for future generations of scientists. Likewise in 1905, Einstein changed the world of physics forever with the publication of his radical new ideas on special relativity."We may learn from Einstein the philosopher, of his interest in the founding scientists of the nineteenth century such as Kelvin and Maxwell, of science being not only about instrumentation, mathematics and formulae but also about sharing in the aspirations and achievements of other scientists, past or present." (Trainer, Einstein's Centenary Tribute) The volume contain several other papers by influential contemporary phycisians. Weil 140.

Paris, Debarle, An VIII (1798). 8vo. 7 cont. hcalf, gilt backs. With 7 frontisp.(Queverdo del. - Triere sc.).

London, The Caxton Publishing Co., n.d. (ca. 1900-03). Royal8vo. Bound in 5 orig. full cloth, richly gilt covers and spines. Blindtooled borders on covers. Skillfully rebacked, preserving orig. spines. 8 frontispieces in colour. Profusely illustrated with plates, maps, portraits. Internally clean and fine.

The letter is a responce to a lady, who has contacted him; written very politely.

Paris, Pierre Gandouin, 1736. Small 8vo. Cont. full calf. Richly gilt back. Titlelabels gone. 416,(4) pp. - Bound with: PLINIUS, Panegyrique de Trajan, par Pline Le Jeune. Traduit par Mr. De Sacy. Paris, 1722. XXXII,(4),298 pp. - and LIVIUS: Essay de Rhetorique dans la Traductionn de quatre Haranque de Tite Live avec des Notes de Crousac. Groningen, Jacques Spikes, 1725. (16),176 pp.

Kjøbenhavn, Reitzel, 1905. Ubeskåret og delvis uopskåret med orig. bogtrykte omslag. Foromslaget løst. XIX,642 pp. Illustrationer i teksten og 1 litograferet foldekort. First edition of the first exhaustive record of the minerals of Greenland. - (Meddelelser om Grønland, Bd. 32).

Kiøbenhavn, Seidelin, 1805-06. Smukt helldrbd. med blindtrykte rammer på permer, ophøjede bind på ryg og rig rygforgyldning (spejlbindstypen). XII,34,88,50,35,64,71 pp. samt 6 kobbertukne portrætter. Indvendig lidt brunplettet. Originaludgaven. Med kobberstukne portrætter af: Abrahamson, Callisen, Nordahl Brun, Fabricius, Bastholm og Pfingsten.

London, Crokatt, 1728. 8vo. In contemporary full calf with five raised bands and richly gilt spine. Gilt boarders to boards. Paper-label pasted on to top of spine. Parts of gilting to spine worn off. Ex-libris pasted on to pasted down front end-paper. Internally very fine and clean. (8), 465, (12) pp. + 1 large folded map (by Moll) and 4 engraved plates. Second edition of vol. 5 of Salmon's extensive 'Modern History' containing information and maps on Egypt, Crimea, Greece and the Ottoman Empire. Salmon’s "Modern History” is an ambitious attempt to provide a comprehensive account of the world’s countries, their histories, and their contemporary states during Salmon’s time and stands as a monumental achievement in the history of 18th-century historiography. His work is a fine example of the Enlightenment's goal for cataloging and comprehending the world, offering a unique snapshot of global perspectives as understood by Europeans in the early modern period. It represents one of the earliest comprehensive attempts to document and analyze the state of nations worldwide.

Paris, 1926-29. 4to. Bound in 3 nice hmorocco. 296,340, 296 pp. a.numerous plts.a.textillustr.

Paris, Didier & Cie, 1868. 8vo. Bound untrimmed with orig. printed wrappers in cont. full cloth. A nick to upper part of spine. (4),426 pp. A few marginal brownspots. On good paper. First edition.

(No place), The Association for Symbolic Logic, 1944 & 1945. Lev8vo. Bound in red half cloth with gilt lettering to spine. In "Journal of Symbolic Logic", Volume 9 & 10 bound together. Barcode label pasted on to back board. Small library stamp to lower part of 6 pages. A very fine copy. [Kleene:] Pp. 109-124. [Entire volume: IV, 107, (1), IV, 160 pp.]. First printing of Kleene's important paper constituting one of the very first formal treatments of logic for computability in which he proved that intuitionistic first-order number theory also has the related existence property through an interpretation of intuitionistic number theory in terms of Turing machine computations.

8vo. In contemporary black half cloth with gilt lettering to spine. in "Popular Science monthly", no 8. Extremities with light wear, otherwise fine. [Entire volume: Pp. 641-778, 128, 641-777, 386-648]. First printing of Tyndall's famous two-paper series on Spontaneous Generation. The idea was that certain forms such as fleas could arise from inanimate matter such as dust, or that maggots could arise from dead flesh. This idea had been the dominating though for two millenniums until Pasteur in 1859 and Tyndall with the present publication finally laid this theory to rest. "One might think, then, that the question of spontaneous generation had to be resolved before germ theory could triumphed. It comes as a surprise to discover that germ theory triumphed while the issue of spontaneous generation was still subject to a lively debate. The whole question was only finally solved resolved in 1877, when John Tyndall showed that the outcome of experiments on sealed and heated environments, or on heated environments containing only heated air, depended not on the honesty and good faith, or technical competence and skill, of the experimenter, but on where he happened to conduct the experiment.Since Tyndall, and only since Tyndall, spontaneous generation experiments can be made to work reliably - but Pasteur and Lister had already brought about a revolution in medicine by claiming (mistakenly as it happens) that spontaneous generation had already been disproved." (Wootton, Bad Medicine).