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Berlin, Julius Springer, 1886. Lex8vo. Contemp. hcalf. Spine gilt and with gilt lettering. (8),262 pp. A faint dampstain to inner lower corners on some leaves. The last 5 leaves a bit soiled. First edition in book form of Weierstarss' s main papers in Function Theory. In this collected form the papers were slightly revised by the author. - Parkinson: Breakthroughs (He rigorously develops the theory of functions in "Abhandlungen aus Functionentheorie").

Kjöbenhavn, Bianco Luno, 1841. 4to. Originalt papbd., rygstrimlen mangler. Særtryk af Videnskabernes Selskabs Skrifter. (2),104 pp.,8 tekstillustrationer i træsnit. Indvendig ren og frisk. Med dedikation på fribladet "Min kjære Broder/ Auditeur M.W. Steenstrup/ "som er den ældste, fører evig.... (?) an"/ med broderlig Hengivenhed/ fra/ Forfatteren./ Sorøe d. 10 Martz 1842". Originaltrykket (særtrykket) af et af mosegeologiens pioneerværker.

Amsterdam, 1753. 8vo. 2 nice later full calf, raised bands. Engr.frontisp. (10),640,320,385,72,80 pp,

Kjøbenhavn (Copenhagen), Bianco Luno,1869. 4to. Uncut and unopened in orig. printed wrappers. [Off-print from: Vidensk. Selsk. Skr., 5 Række, naturvidenskabelig og matematisk Afd., 8 Bd. V.]. Pp. (203-)248. A mint copy. First printing, off-print in original printed wrappers of this groundbreaking paper."A further remarkable result of Lorenz' optical researches on the basis of his fundamental wave equation was the well-known formula (Lorents-Lorenz formula) for the refraction constant R... His first paper on the refraction constant, in which he also gave an experimental verification of his formula in the case of water, dates from 1869. In 1870 H. A. Lorentz arrived at the same result, independently of Lorenz." (D.S.B. VIII:501).

London, W. Bulmer and Co., 1812. 4to. No wrappers as extracted from "Philosophical Transactions" 1812. With titlepage to the year 1812 - Part I. Pp. 370-377. Light yellowing to titlepage. First appearance of the paper in which Wollaston explains his invention and function of photography's first lens, the Wollaston Meniscus, invented more than 25 years before the first photography appeared."Wollaston developed the first lens specifically for camera lens called Wollaston's meniscus lens, or just meniscus lens, in 1812. The lens was designed to improve the image projected by the camera obscura. By changing the shape of the lens, Wollaston was able to project a flatter image, eliminating much of the distortion that was a problem with many of that day's biconvex lenses" (DSB).

Cont. hcalf, raised bands, gilt. Titlelabel gilt. Engraved frontisp., engraved titlevign. XII,254 pp. On good paper, clean.

Amsterdam, Desordes, 1697 et La Haye, van Dole, 1699. Bound in one contemp. full vellum. Handwritten titles on spine. Engraved portrait. (2),186 pp. + Pilham: Engraved portrait. (14),283,(9) pp. Bothe works fine and clean, printed on good paper.

Paris, 1896. Orig.wrappers. Uncut. First edition.

Jena & Leipzig, Friedrich Frommann, 1800 - 1805. 8vo. Uniformly bound in two contemporary half calf bindings with black leather title-label with gilt lettering to spine. Small paper-label pasted on to top of spines. Spines with light soiling a few dots and marks. A few occassional brownspots but internally generally nice and clean. LII, 516, (8) pp.; XVI, 279, (1), XX, 554 pp. First edition of this comprehensive manual on practical medicine designed for both lectures and practical use. Wellcome III, 311. Not in Garrison & Morton.

Münch., 1832. Cont.hcalf. Atlasvol. in cont.hcloth. Back somewhat worn. St.o.t. XVI,VIII,198, XVI,234 pp. and Atlas in folio-oblong with 8 litogr.plates.

(London, W. Bulmer and Co., 1814). 4to. 4to. No wrappers as extracted from "Philosophical Transactions" 1814 - Part I. Pp. 1-22 and 1 engraved plate. Last textleaf slightly browned, otherwise clean and fine. First appearance of this importent paper in which Wollaston introduces the "chemical slide rule"."In 1814 he draw up "A Synoptic Table of Chemical Equivalents", wherein many "equivalents" (a term apparently first used in the chemical sense by him) were arranged in a logarithmic scale. Chemists found this device of great practical assistance, and it survives today in the form of the chemical slide rule." (A Source Book in Chemistry p. 221)."The design of the scale here proposed by the author (Wollaston) is to save chemists the labour of many troublesome computations in estimating the ingredients of neutral salts, and the reagents and precipitates by whic these ingredients might be ascertained." (Abstract).

Paris, Ernest Leroux, 1900-02. 4to. Orig. printed wrappers. 3 heliogravures as frontispieces. LV,401,(2);433;417 pp., plates and textillustrations.

London, Bell & Dadly, 1865. Lex8vo. Newer half morocco with gilt skin title on the back. XIII,442 pp. with 6 wood engraved plates and 45 wood engraved tail pieces of engraved gems. First edition.

Paris, A.and W. Galignani, 1827. Small 8vo. Bound in 9 contemporary hcalf. Gilt backs. Backs a little rubbed. Stamp on titles. Faint dampstains to the first 10 leaves of volume one. Scattered brownspots. This Paris-edition is published the same year as the original from Edinburgh.

(Paris, L'Imprimerie Royale, 1762). 4to. Without wrappers. Extracted from "Mémoires de l'Academie des Sciences. Année 1757". Pp. 52-86 and 7 folded engraved plates. Clean and fine. First edition of this landmark paper in geological literature, for it appeared eighty years before Murchison's Silurian System made known the sequence and abundant organic remains of the Silurian rocks of Wales."Guettard was the first to recognize trilobites in the Silurian slates of Angers. In some specimens which had been sent up to the Academy from the quarries of that district, he observed numerous impressions of organic remains, which he referred to seaweeds and Crustacea. The latter he sagaciously compared 25 to modern crabs and prawns." (Archibald Geikie).Parkinson "Breakthroughs", 1757.

Kiøbenhavn, Soldin, 1796. Lille8vo. Originalt blåt blankt kardusomslag. Stempel på titelbladet "Hvedholm Bibliotek". På indersiden af foromslaget i egen hånd "Bille Brahe". 46,(2) pp. Den sjældne originaludgave. "Aristokraternes Catechismus" er en efterligning af P.A. Heibergs købmandskatekismus."Malthe Conrad Bruun var under indflydelse af ateisten Otto Horrebow (se bl.a. hans artikel i Jesus og Fornuften, 1799) og gav her sin samfundssatire og sine voldsomme angreb på adel og enevælde en gudsbespottelig form. Satiren fik biskop Nicolai Edinger Balle til under henvisning til Danske lov (6,4,14) at indberette skriftet til kancelliet. Af frygt for konsekvenserne flygtede Malthe Conrad Bruun."(DBL).

Berlin, Haude und Spenerschen Buchhandlung, 1769. Contemp. hcalf. Gilt spine. Titlelabel with gilt lettering. A paperlabel pasted on top of spine. Stamps on title-page. (4),234 pp. Internally clean. Saluze thought that the 'elastic fluid' (= fixed air) evolved by gunpowder was atmospheric air, although he pointed out that it would not support combustion or respiration. Saluzzo was president for the Academy of Science in TurinPartington III, p. 127. - Poggendorff I, 744.

Wien, Alfred Hölder, 1915. 8vo. Unopened, uncut 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 "Kaiserl. Akademie der Wissenschaften", Abteilung IIa, 124. Band, 3. und 4. Heft. A very fine and clean copy. 14 pp. First printing of Smolukowski's important paper the Average deviation in Brownian motion in relation to Brillouin's experiments on diffusion.Einstein and Smolukowski work simultaneously and independently in the beginning of the 1900ies Brownian Motion. Smolukowski continued his work in this field and he work is distinct from Einstein's since Einstein relate it to diffusion. "From about 1900 Smoluchowski worked on Brownian movement. He wished to use experimental data to verify the theory he had obtained desire complicated by the confused situation of experimental research. In the meantime Einstein, in papers of 1905 and 1906, had presented a solution to the problem. Smoluchowski then decided to publish his results in 1906, which presented his different method. Einstein started from general relations of statistical physics, an approach that was universal but did not lend itself to visualization. For example, Einstein said nothing of the collisions between a Brownian particle and the surrounding molecules. Smoluchowski started by examining the effects of successive collisions and obtained a final formula that differed little from Einstein's. Smoluchowski's further works in this field extend through an examination of the Brownian movement of a particle undergoing the influence of a quasi-elastic force to the Brownian movements of macroscopic bodies. At the Conference of Natural Scientists at Münster in 1912, Smoluchowski proposed the observation of the Brownian rotative movement of a small mirror suspended on a thin quartz fiber and the observation free end of a similar fiber. The first experiment was performed by W. Gerlach and E. Lehrer in 1927, and later by Eugen Kappler; the second, by A Houdijk and P. Zeeman, and by E. Einthoven. In 1925, Both experiments confirmed Smoluchowski's calculations."

Ulm, Stettin'schen Buchhandlung, 1825-1830. Large folio oblong. Bound in one contemp. hcalf, gilt lettering to spine. Wear to spine ends. Containing 29+18+38+48 (=133) textplates. Internally clean.

(Paris, L'Imprimerie Royale, 1733). 4to. Without wrappers. Extracted from "Mémoires de l'Academie des Sciences. Année 1731". Pp. 85-102 and 1 engraved plate. First printing of this importent paper, as the invention described represents one of the main advancements in the art and science of amputation in the eighteenth century. "Petit's tourniquet is considered by many sources to be one of the "most important surgical advancements before the advent of anesthesia.""

Kiøbenhavn, Forfatterens Forlag, (1814). 4to. Samtidigt hshirtbd. Rygforgyldning. Rygtitel. Uden de to udkomne del-titelblade. Søndagen nr. 3 og 4 er ikke tilstede idet de blev beslaglagt af Kancelliet. Plesner, s. 141.

Hmbg.,1833. 8vo. Cont.full calf. Small traces of use. St.o.t. (24),515 pp.

Weimar, Lande=Industrie=Comptoirs, 1804. Unbound, but stitched. VIII,168 pp. A few brownspots, ligh browning to some leaves. First German edition. (Bibliothek der neuesten und wichtigsten Reisebeschreibungen...hrsg. von M.C. Sprengel, Bd. 10: 2. Theil).

4to. Cont. full vellum. (28),1068 pp. A fine copy.

Franckfurt, Andreae, 1716. 4to. In a contemporary Cambridge style-mirror binding with five raised bands and gilt lettering and ornamentation to spine. Wear and scratches to extremities. Upper and lower compartment with tears and a bit of loss of leather. End-paper closely annotated in contemporary hand. A few underlinings and marginal annotations throughout. (4), 686, (2) pp. The third and last of a series of Frankfort editions of the Hebrew bible (1677, 1692, 1716). "The text is mainly based on the Athias-Leusden edition of 1667". (Darlow-Moule) Darlow-Moule 5143