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Leipzig, Weber, 1902. Royal 8vo. Orig. full cloth. VIII,329 pp., plates, textillustrations, 2 folded maps. Clean and fine.

Berlin, Springer, 1939. 8vo. In contemporary halv cloth with gilt lettering to spine. In "Zeitschrift für Physik", Bd. 114, 1939. Entire volume offered. Stamp to front free end-paper and titlepage, otherwise fine and clean. Pp. 368-78. [Entire volume: VIII, 749 pp.]. First printing of Wallner's important paper on microscopic lines - Wallner Lines - in various materials. Wallner lines are microscopic fractures that propagate on a rigid surface. Using the Wallner lines, it is possible to determine the speed at which a surface is cracked. The method works for example on glass, epoxy, tungsten and carbon-filled rubber. The measurement of Wallner lines are a standard method of modern forensic science.

(Leipzig, Johann Ambrosius Barth, 1912). No wrappers. In "Annalen der Physik", IV Folge, Bd. 39, No 14.Pp. 705-1072, textillustr. (entire issue ("Heft 14 (No. 14) offered). Debye's paper: pp. 789-839. Clean and fine but inner margins punched, with holes after binding strings. First appearance of Debye's second paper. "In his second outstanding paper (the offered item) Debye treated a solid as a system of vibrating atoms and modified Einstein's theory of specific heats, which had been only partially successful. He showed that the solid could be characterized by a complete spectrum of eigen-frequencies and that the specific heat of a monatomic solid was a universal function of the ratio theta/T, were theta is a tempature characteristic of the particular solid and T is the absolute tempature. Now commonly called the Debye temperature, theta could be calculated from the elastic constants of the solid. The Debye equation, involving the then recently developed quantum theory, gave agreement with observed specific heat values. Aside from a numerical factor, it differed from the Einstein equation in containg both the compressibility and and Poisson's ratio." - Dictionary of Scientific Biography, volume 3, p.619.Debye received the 1936 Nobel Prize in Chemistry "for his contributions to our knowledge of molecular structure through his investigations on dipole moments and on the diffraction of X-rays and electrons in gases".

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), 457, (23) pp. + 2 maps and 4 plates. Third edition of vol. 8 of Salmon's extensive 'Modern History' containing information and depictions of the German 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.

Kjøbenhavn, K. H. Seidelin, 1803. 8vo. In contemporary half calf. Wear to extremities. First and last leaves brownspotted, otherwise internally nice and clean. (8), VIII, XVIII, 310 pp. First Danish translation of Kant's Logic, which serves as an important introduction to philosophy, presenting both the terminological and structural basis for his philosophical system, and offering an invaluable key to his main works, particularly the three Critiques.From the library of Danish philosopher and author Carl Henrik Koch.

Bln., 1902-ll. 4to. 5 orig.hcloth. Richly illustr.

Wien, Braumüller, 1848. Small 8vo. 2 contemp. hcalf. Gilt spines. Stamp on title-pages. (2),292,177;243,254,(2) pp., 2 engraved plates. faint scattered browmspots.

Kbh., 1815-16. 3 smukke, ensartede, samt. hldrbd. m. rygforgyldn. og skindtitelfelter på rygge.

Skafø, 27/10, [18]95. 2 sider 8vo. "Jeg har tilladt / mig at sende Dem / 80 Kr paa Postanviis- / ning og beder Dem / mig at undskylde, / at jeg ikke for længe / siden har berigtiget / min Gjæld til Dem / for det smukke Væder- / lam, De har overladt / mig. Grunden / dertil er, at jeg / først nu hører af / min Søn, at / han ikke, som / jeg antog, har / berigtiget Sagen / paa mine Vegne. / Med venlig / Hilsen til Deres / Mand / Deres ærbødige / JBS Estrup." Nydeligt egenhændigt brev fra konseilspræsident J.B.S. Estrup (1825-1913). Breve fra Estrup er yderst ualmindelige.

London, Miller, Law, and Cater, n.date, (Ca.1800). Small 8vo. Contemp. full calf., spine gilt, titlelabel with gilt lettering. Hinges weakening, corners bumped. A bit of leather lacks on backcover. IV,317,(1) pp., 8 textillustrations in woodcut. A few brownspots. A very popular work containing medical extracts from various writings, first published in 1690 and published in more than 40 editions onwards. (Wellcome II, p. 56, listing many editions, but not this one.

Paris, Bachelier, 1828. Contemp. hcalf. Spine gilt and with gilt lettering. A paperlabel pasted on top of spine. Stamps on title-page. XVI,685 pp. and 5 folded engraved plates. First and last leaves mildly brownspotted, otherwise fine.

Amsterdam, Officina Wetsteniana, 1685. 12mo. Contemp. full calf. Spine gilt. Some wear to spine, especially at upper and lower compartment. Engraved and printed title.(10),399 pp. + Engraved title. 328,(4) pp. From the library of Paul V. Rubow.

London, W. Bowyer and J. Nichols, 1777. 4to. Extracted from "Philosophical Transactions", Year 1777. Vol. 67 - Part I. Pp. 85-143 a. 1 folded engraved plate. Clean and fine, wide-margined. First printing of Henley's large memoir on Franklin's theory of the Leyen Jar, on bow and violin strings oppositely electrified, on the electric origin of water-spouts etc.Wheeler Gift: 2472.

München, Literarisch-artistische Anstalt, 1869. Lex8vo. Contemp. hcalf. Gilt spine. Gilt lettering. XXVIII pp. and 26 folded double-page plates with numerous figs. Clean and fine.

(1930, 1943-44, ca. 1930). 4to. Indbundet i et hshirtbd. 3 egenhændige manuskripter med en del egenh. rettelser. 67 pp., 35 pp., 12 pp.

Sorø, Jonas Lindgren, (1759). 8vo. In a very nice contemporary Cambridge-style mirror binding with five raised bands and gilt lettering and ornamentation to spine. All edges coloured in red. Light wear and miscolouring to extremities. Internally with light occassional marginal browning, overall a nice copy. 341, (3), 30 pp. This work covers a range of Sneedorff's philosophical reflections and is followed by a small separately paginated treatise: “Betragtninger over et tiligt og uformodentligt Dödsfald, i Anleding af det III. og XL. Brev i denne Samling”. Jens Sneedorff (1724-1764) was one of the key figures of the Danish Enlightenment. At just 27 years old, he was appointed professor at Sorø Academy at the request of Holberg, until he became the tutor of Crown Prince Frederik in 1761. Bibliotheca Danica IV, 168.

(Berlin, Haude et Spener, 1758). 4to. No wrappers as issued in "Mémoires de l'Academie Royale des Sciences et Belles-Lettres" Tome 12 (1756), With the section-titlepage. Pp. (2),389-424. Fisr edition of an importent paper in which Maupertuis articulates his final synthesis of his earler work on the status of natural laws of motion and with is reflexions on epistemological certainty. He here coined the term "repliability" to denote the unambigouos truths of arithmetics and geometry.

New York, American Telephone and Telegraph Company, 1959. 8vo. In the original printed blue wrappers. In "The Bell System Technical Journal", Volume XXXVIII, July, Number 4, 1959. Entire issue offered. Light miscolouring to spine. A fine fine and clean copy. Pp. 985-1000. [Entire issue: 909-1065 pp.]. First edition of the Lee's important paper on binary decision diagrams, a data structure that is used to represent a Boolean function. The idea was developed by Claude Shannon. The switching function is split into two sub-functions by assigning one variable. If a sub-function is considered as a sub-tree, it can be represented by a binary decision tree. Binary decision diagrams were introduced by Lee in the present paper.

Flensburg und Leipzig, Kortenschen Buchhandlung, 1784. Contemp. hcalf. raised bands. Richly gilt spine. Titlelabel with gilt lettering. a paperlabel pasted on spine. Stamp on title-page. (12),281,(1) pp., 13 folded engraved plates/plans. Internally clean and fine.

Kopenhagen, Friderich Brummer, 1820. 8vo. Contemp. full mottled calf. Richly gilt spine with gilt lettering. Broad gilt borders on covers. Wear to top of spine. 302,(2) pp. Some browning to the last 2 leaves. In this work, which was translated into English, Dutch, Danish and French, the author predicted the supremacy of America over Europe.Sabin: 77687.

Paris, Ch.N. Guillon-D'Assas, 1795. Contemp. full cald, raised bands, gilt backs. Wear to spine ends and slightly rubbed. (2),XLI,835 pp., 1 folded table and 5 engraved plates showing chemical apparatus. Extra inserted engraved portrait of the author.

Kiøbenhavn, Rothe (trykt i Sorø, Lindgrens Enke), 1776, Samtidigt hldrbd. med rig rygforgyldnin, forgyldt skindtitel. 343 pp. Rent eksemplar.

London, Egerton, 1816. Royal8vo. Original brown boards. Covers loosing. Spine defective. Part of original printed titlelabel preserved. Stamp on title-page. Engraved portrait as frontispiece. XII,1006 pp. First and last leaf with light browning. A few scattered brownspots.

Paris, G. Masson, 1888. Contemp. hcalf. Light wear along edges. Two small stamps on verso of titlepage. In "Annales de Chimie et de Physique", 6. Series - Tome XV. 576 pp. and 2 folded engraved plates. The entire volume offered. Raoult's paper: pp. 375-407. lean and fine. First printing of an importent paper in which Raoult gives further applications of his own discovery, "Raoult's Law"