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London, John Murray, 1855. Orig. full cloth. A small tear at upper part of fronthinge, a few small nicks along hinges. First inner hinge broken. Stamp on title-page. VIII,645 pp., textillustrations, 2 folded plates. Somem scattered brownspots.

Asterdam, Kunst=und Industrie=Comptoir, 1809. Bound in 3 later modest hcloth. Stamp on titlepages. XXIV,448,(1);LII,460;XL,534 pp. 4 large folded engraved maps and plans, 7 folded tables. Some browning and brownspots throughout.

London, Taylor and Francis, 1833. 4to. As extracted, in "Transactions of the Cambridge Philosophical Society", volume 4. Fine and clean. Pp. (425)-440 + 1 plates. First appearance of Herschel's paper on transcendental equations.

Lüneburg, Herold und Wahlstab, 1839. Contemp. hcloth. Gilt spine. Gilt lettering. Stamp on titlepage. XXVIII,316 pp. and 7 folded lithographed plans (positions coloured).

Royal8vo. Orig. full pictorial cloth. XCII,576 pp., 20 plates, 2 textfigs., coloured frontisp. (19th Annual Report of the Bureau of American Ethnology). First edition.

(London, W. Bulmer and Co., 1814). 4to. No wrappers as extracted from "Philosophical Transactions" 18154 - Part II. Pp. 436-439. First appearance of an importent paper in which Brewster reveals his discovery of a new connection between light and heat: "glass brought to a certain temperature forms two images, and polarises them in opposite manner, like all doubly refracting crystals, the one image being coincident with the other"(p. 437). Brewster was the discoverer of the law of polarization, of biaxal crystals, of optical mineralogy, and of double refraction by compression.Independently of Seebeck, in 1814 English physicist David Brewster started investigating birefringence in glass caused by inhomogeneous heating. He also investigated the effect of sudden cooling of heated glass and discovered that in broken glass birefringence vanishes. Brewster considered his discovery so important* that he hastily published a paper, in which he only verbally described the creation of birefringence in glass by heat.With 2 other notable papers by HENRY KATER "An improved Method of dividing Astronomical Circles and other Instruments", pp. 419-435a. 2 folded engraved plates. And JOHN W.F. HERSCHEL "Consideration of various Points of Analysis", pp. 440-468.

Berlin, G. Reimer, 1833. 4to. In "Journal für die reine und angewandte Mathematik, 1848.". Entire issue offered in the original printed wrappers, without backstrip. Fine and clean. [Entire volume: 392 pp.]. First printing of Stern's important papers on continued fractions which is the first systematic summary of the theory.As a professor at Göttingen University Stern taught Bernhard Riemann along with Gauss. Stern also helped Ferdinand Eisenstein in formulating a proof of the quadratic reciprocity theorem.

København, H.K.M. & Univ. Bogtrykkerie, 1730. 4to. (16) pp. Originaludgaven af sabbatforordningen fra 1730, hvor der nærmest indførtes kirkegangstvang. Forordningen ophævedes kort efter Christian VIs regeringstiltræden, men blev så at sige genindført med Helligdagsforordningen i 1735. ”Kirkens og kongens fælles missionsopgave gjaldt ikke kun i den kendte verdens fjerneste hjørner. Den gjaldt også i de nære omgivelser i kongerigets by- og landsogne. Forkyndelsen skulle nå ud til alle undersåtter, og et af midlerne var Frederik IVs sabbatsforordning af 21. april 1730. Allerede den 19. januar 1731 blev forordningen trukket tilbage, fordi den nytiltrådte Christian VI ikke syntes, loven havde levet op til sit formål; men godt fire år senere – den 12. marts 1735 – blev en næsten enslydende forordning imidlertid atter indført. Eneste forskel var, at straffene var mildere, og det kan måske hænge sammen med, at der forud for 1730-forordningens udstedelse var blevet talt så varmt for en meget stram og streng håndhævelse af forordningen, at den i praksis havde været umulig at gennemføre.”

København., Gyldendal, 1825. Samtidigt hldrbd. med rygforgyldning. XVI,578,(5) pp. Lidt spredte brunpletter. Originaludgaven. - Bibl. Danica I:601.

Lpz., 1805-06. Uncut in cont.(orig.) blank wrappers. XX, 620, 476 pp.

Illustr.from Paintings by James Holland. Ldn., 1839. Orig.hcalf. Back rubbed. XII,290 pp. and 17 fine engr.plates.(The Landscape Annual for 1839).

[København], 1872. Folio-oblong. In contemporary half calf. Extremities with wear. Spine with a nicks and tears. With the authors dedication to upper part of title-page. Plates with light brownspotting througout. 36 plates.

(Leipzig, Johann Ambrosius Barth, 1903). 8vo. No wrappers. Extracted from "Annalen der Physik" Vierte Folge. Bd. 10. Entire issue no. 3 offered. Pp. 457-477. [Entire issue: Pp. First appearance of this important paper in which the "Lummer-Gehrcke interferometer" was presented for the first time. "Since Lummer fringes are the result of differences in path length of many wavelengths, Lummer arrived at the idea, in 1901, of developing the plane parallel plates into a spectroscope of the highest resolution. This device had the advantage of possessing greater resolving power than the interferometer produced in 1897 by Fabry and Perot. The considerable drawback of low luminous intensity, caused by the glancing incidence of the light, was eliminated in 1902 by Gehrcke, who cemented a prism to the plate with Canada balsam. The new apparatus, for which Lummerproposed the name Lummer-Gehrcke interference spectroscope, proved to be an excellent tool for spectroscopy and superior to the simple line grating." (DSB)Lummer-Gehrcke interferometer is a multiple-beam interferometer similar to the Fabry-Perot etalon, but using light at a steep angle of incidence. The interferometer consists of a long plate of glass or quartz, with faces that are polished accurately flat and parallel. Light bounces back and forth inside the plate, striking the faces at an angle just below the critical angle as it propagates along. Because of the steep angle of incidence, nearly all of the light is reflected, but a tiny fraction leaks out on each bounce.

(Paris, Crochard et Comp., 1838). No wrappers. In 'Annales de Chimie et de Physique', 2e series, Volume 69, third- issue, pp. 225-352 (entire issue offered). Piria's paper: pp. 281-325. First appearance of the paper in which Piria relates how he for the first time prepared Salicylic Acid in its pure state. Salicylic acid occurs naturally in the bark of plants such as willow trees and is used to create aspirin and skin care products. Salicylic acid, whether used internally or externally, is associated with some potential hazards. Henri Leroux had extracted salicin, in crystalline form for the first time, but Piria was the first to extract its pure form.Garrison & Morton: No 1857 (referring to the same paper published a year later in Comptes Rendues).

Paris, Cavelier fils, 1719. Small 8vo. Contemp. full calf. raised bands. Richly gilt spine. Titlelabel with gilt lettering. Light wear to spine-ends. 816),314,(6) pp. First edition.

Berlin, Georg Reimer, 1861. 4to. As extracted from "Journal für die reine und angewandte Mathematik, 58. Band, 1861". Without backstrip. Fine and clean. Pp. 93-126. First printing of these two important papers on Quaternary cubics (a degree 3 homogeneous polynomial in four variables).

Stuttgart, Johann Benedikt Mezler, 1781. Contemp. hcalf. Raised bands. Profusely gilt spine. Titlelabel with gilt lettering. Spine slightly rubbed. Stamps on title-page. (2),588,(2) pp.

London, Harrison and Sons, (1890). Orig. full pictorial cloth. Gilt back. Back neathly repaired. Corners bumped. Covers somewhat darkened and with traces of use. XII,350 pp. and 1 folded lithographed map.

Leipzig, Ambrosius Barth, 1921. 8vo. In contemporary full cloth with gilt lettering to spine. In "Annalen der Physik", Vierte Folge, Band 65. Entire volume offered. Library labels pasted on the pasted down front free end paper. Stamp to title page, othrewise a fine copy. Pp. 593-604 [Entire volume: (1), 736, VII pp.]. First appearance of Lenards infamous paper in which he - on the grounds of anti-Semitism - gave priority for "E=mc²" to Hasenöhrl. After Einstein had published his theory in 1905 Hasenöhrl published his results on cavity radiation. The similarity between those formulas led some critics of Einstein, up until the 1930s, to claim that he plagiarized the formula from Hasenöhrl. However, Max von Laue quickly rebutted those claims by saying that the inertia of electromagnetic energy was long known before Hasenöhrl, especially by the works of Henri Poincaré (1900) and Max Abraham (1902), while Hasenöhrl only used their results for his calculation on cavity radiation. Laue continued by saying that credit for establishing the inertia of all forms of energy (the real mass-energy equivalence) goes to Einstein, who was also the first to understand the deep implications of that equivalence in relation to relativity."Lenard’s anti-Semitism and nationalism increased. He attributed the turmoil in the newspapers about the general theory of relativity to an agreement between Einstein and the Jewish press. When the so-called Arbeitsgemeinschaft deutscher Naturforscher zur Erhaltung reiner Wissenschaft, founded by nationalistic and anti-Semitic demagogues, began a slander campaign against Einstein in Berlin in the summer of 1920, Lenard volunteered to head the movement.The growing conflict broke into the open on 9 September 1920 at the eighty-sixth conference of the Deutsche Naturforscher und Ärzte in Bad Nauheim. The debate over the general theory of relativity turned into a dramatic duel between Einstein and Lenard. As Max Born recounted it, Lenard directed "sharp, malicious attacks against Einstein, with an unconcealed anti-Semitic bias." Fortunately, Max Planck, who was presiding over the debate, was able to prevent an uproar." (DSB).

Leipzig, Gleditschii & Lanckisii, 1763. 4to. The entire volume offered in contemporary full vellum. Hand written title on spine. A yellow label pasted on to top of spine. Two small stamps to title-page and free front end-paper. Library label to pasted down front free end-paper. Occassional brownspots throughout, otherwise fine. (4), 600, (18) pp. First edition of Acta Eruditorum 1763 containing many reviews by influential contemporary mathematicians, philosophers and historians.

Washington, Government Printing Office, 19o7. Royal8vo. Orig. full cloth, gilt. XL,846 pp., 21 plates, 1112 textillustr. (Twenty-Fourth Annual Report of the Bureau of American Ethnology...Smithsonian Inst. 1902-19o3). First edition.

Leipzig, Johann Ambrosius Barth, 1914. 8vo. In the original printed wrappers. Author's presentation offprint with the printed presentation statement on top of frontwrapper "Überreicht vom Verfasser" [i.e. "Given by the author"]. Offprint from "Annalen der Physik", Vierte Folge, Band 45, 1914. Light miscolouring to left margin of front wrapper. A very fine and clean copy, near mint. Pp. 1098-1102. First edition, in the scarce author's presentation offprint issue, of Smoluchowski's comment of B. Baules paper on theoretical treatment of phenomena in rarefied gases.

München, Georg Franz, 1857-61. Small 8vo. 2 contemp. hcalf, gilt spines. Stamp on titlepages. VIII,602;XII,(603-) 1314 pp., 13 textillustr. and 30 lithographed plates with 197 figs. Internally clean and fine.

Gotha, Justus Perthes, o.J. (Ca. 1890). Small folio. (33x22 cm.). Orig. full cloth, gilt lettering with title on frontcover. Small tears to backstrip, edges with light wear. 23 pp. and Africa-map 100x85,5 cm. coloured and folded, mounted on cloth. The map in fine condition. Original separate extract from Stieler's Handatlas.

Bremen, Geisler, 1843. Original clorthbacked printed boards. XVI,80 pp., 2 lithographed plates (one folded and handcoloured). Clean and fine.