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London, Jonathan Wilkins, 1682. 8vo. Binding defective, missing front board. Internally with dampstain to first and last 20 leaves, small tear to frontispiece. (22), 274, (2) pp. + frontispiece. First edition.

Kjøbenhavn, Forlagsbureauet, 1887. Indbundet med orig. bogtrykt for-og bagomslag i et nydeligt hldrbd. (Anker Kyster). Rygforgyldning, forgyldt skindtitel. papirsetiket pålimet nederst på ryg. (8),379 pp., tekstillustr. i træsnit, 8 tonede litograferede plancher samt 1 stort foldekort. Indvendig ren og frisk.

Odense, Faber, 1792. 8vo. I samtidigt halvlæder med forgyldt titel på ryg. Med en smule udvendig slitage, ellers pænt eksemplar. 215, (1) pp. Første Ribe-beskrivelse på dansk.

Paris, G. Masson, 1882. 8vo. Contemp. hcalf, raised bands, gilt spine. Light wear along edges. Small stamps on verso of titlepage. In: "Annales de Chimie et de Physique", 5e Series, Tome 27. 576 pp. and 5 folded engraved plates. (Entire volume offered). Becquerel's paper: pp. 312-347 and 1 folded engraved plate. Textillustrations. (apparatus). First apperance of Becquerels first optical paper. Becquerel’s early research was almost exclusively optical. His first extensive investigations dealt with the rotation of plane-polarized light by magnetic fields (the paper offered). He turned next to infrared spectra (in the paper offered), making visual observations by means of the light released from certain phosphorescent crystals under infrared illumination. Becquerel is known for his discovery of radioactivity, for which he received the Nobel Prize for physics jointly with the Curies in 1903, and for other contributions to that field which he made during the halfdozen years when he was most active in it.

Paris, Magimel, An IX,- 1801. Fine contemp. hcalf. Spine gilt and titlelabel with gilt lettering. Stamps on titlepage. 159 pp. and 9 large folded engraved plates. Printed on good paper, fine and clean. A manual for making topographical maps

Lancaster, American Physical Society, 1935. Lex8vo. Entire volume in the original printed blue/grey wrappers. Minor miscolouring and soiling to extremities. A fine and clean copy. Pp. 500-2. [Entire issue: Pp. 491-572]. First printing of this important paper in which the Oppenheimer-Phillips process was presented for the first time - Oppenheimer's "most important contribution in this area" (Oppenheimer. A Life. P. 29).A deuteron, entering a heavy nucleus, is split into proton plus neutron, one of these particles being retained by the nucleus while the other is re-emitted. After the second world war this became a fundamental tool in the study of nuclear energy levels and their properties. Phillips was Oppenheimer's research associate in 1933-4.In "The Physical Review - The First Hundred Years. A Selection of Seminal Papers and Commentaries".

Glückstadt, Joh. Jacob Babst, 1748. 4to. Contemp. full calf. A paperlabel pasted on spine. Titlelabel with gilt lettering. (8),223,(1) pp. Some browning to leaves. Jordan, 1126.

Kjøbenhavn, Bianco Luno, 1873. Contemp. clothbacked blank boards. Offprint from "Oversigter over d. K.D. Vidensk. Selskabs Forhandlinger. 1879". A stamp on title-page. (2),32 pp. Scattered brownspots. First edition, offprint issue. Lorenz is well known for his achievements in optics, the formula for dependence of refraction upon specific gravity (the Lorentz-Lorenz formula), and his electromagnetic theory of light, developed in a relatively unknown paper of 1867, two years after Maxwell’s famous paper on the same subject.

(London, Richard and John E. Taylor, 1840). 4to. No wrappers as extracted from "Philosophical Transactions" 1840 - Part II. Pp. 385-456 a. 3 lithographed plates (one folding). Clean and fine. First printing of an influential paper in structural mechanics."In 1840, Hodkinson presented his investigation on buckling of columns to the Royal Society (the paper offered). His purpose was to verify the theoretical formula of Euler...Cylindrical, solid and hollow specimens with rounded and flat ends were tested. Foer slender, solid struts, good accord was found with Euler's formula...It was also found that a strut with flat ends has the same strenght as a shorter strut og half its lenght which has rounded ends.""Hodkinson baceme the professor of mechanical principles of engineering in University College, London, in 1847, and, during his tenure of the chair, he participated as a member of teh Royal Commission appointed to inquire into the application of iron to railway structures. In 1841 Hodgkinson was awarded a Royal Medal for his work on strenght of pillars and, in the same year he was elected a Fellow of the Royal Society."(Timoshenko "History of Strenght of Materials", p. 128-29). - Darmsatedter, 1840 H.

Paris, Dumaine, 1847. Large folio. (61 x 43 cm.). Contemp. hcalf. Spine gilt. Spine rubbed. Titlelabel with gilt lettering on upper board. Containing 7 large (60 x 80 cm. each) engraved plates. Klaus Jordan,706.

Kiøbenhavn, Brünnich, 1811. 4to. Samtidigt hldrbd. Rygforgyldning. Forgyldt titeletiket på ryg. Lille revnedannelse ved øverste del af forreste fals. Kobberstukket halvtitelblad med stempel. 292 pp. + Formularer og bilag ca. 500 pp. Helt frisk eksemplar trykt på skrivepapir.

Paris, 1806 8vo. In three uniform contemporary half calf bindings with red leather title-labels to spines with gilt lettering. Ex-libris pasted on to pasted down front end-paper. Corners bumped, otherwise a fine and clean set. XII, 112 pp.; Pp. 113-176 pp.; Pp. 177-256 + numerous plates depicting French artworks. Eights edition of French archaeologist Alexandre Lenoir's important work on France's historic monuments, sculptures and tombs from the ravages of the French Revolution, notably those of Saint-Denis and Sainte-Geneviève.

Mid 19th century. Ring and jewelry handpainted in gold. 13 x 12 cm. In a colour frame. Inserted in intricate wooden frame.

Helmstedt, 1746-1748. 4to. Two volumes in later paper wrappers with spine in vellum. Title and year written to front wrappers and spines. Extremities with wear, especially spine of volumes 1, and corners bended. First few leaves with browning, otherwise internally fine and clean. (1)-400 pp; (2), (5)-500 pp (Presumably lacking a half-title and portrait).

Leiden, Amsterdam, Luchtmans, 1824. Contemp. hcalf. Spine gilt. A small tear at upper fronthinge. (8),XLIV,(4),532 pp. Internally clean, printed on good paper.

Braunschweig, Culemann, 1802. Contemp. hcalf. Spine Rubbed. Titlelabel gone. Stamps on title-page. XX,(4),827,(1) pp., 1 large folded and handcoloured plan, 1 large folded handcoloured engraved map. First 10 leaves with a faint dampstain. Some traces of use.

Kjøbenhavn, Poppske Offizin, 1837. Indbundet i et rødt moirepræget hellæderbind som gaveeksemplar til kongen (Christian VIII). Rig rygforgyldning, 3- dobbelte forgyldte rammebordurer på permer med forgyldte hjørnestempler og kongekronen i indadvente hjørner af indre rammer. Indvendig forgyldte bordurer, helt guldsnit og kantforgyldning. Håndsyede kapitælbånd. (10),223 pp. Hele vejen gennemstukket med hvide blade og trykt på gulligt skrivepapir.

Kiøbenhavn, Berlingske Arvingers Bogtrykkerie, 1756. Samt. helldrbd. Rygforgyldning, 4 ophøjede bind. Titel i skind på ryg. Øverste kapitæl slidt ned. Permer let skrabede og hjørner lidt stødte. IV,608 pp. Ganske velbevaret eksemplar. Ehrencron-Müller X:323. Optryk af Berlings originaludgave fra 1744.

Kiøbenhavn, Schultz, 1802. Indbundet i 2 samtidige hldrbd. med tidstypisk rygforgyldning, Forgyldte skindtitler på rygge. XV,566;728,(2) pp. Nogle få brunpletter. Udmærket eksemplar.

Berlin, Georg Reimer, 1866. 4to. In "Journal für die reine und angewandte Mathematik, 65. Band, 3 Heft, 1866". In the original printed wrappers, without backstrip. Front wrapper with a brown mark to top left corner, otherwise fine and clean. [Clebsch:] Pp. 257-268. [Entire issue: Pp. 189-292, (2)]. First printing of Clebsch's paper in which the Frobenius theorem was introduced.Despite being named after Ferdinand Georg Frobenius, the theorem was first proven by Alfred Clebsch and Feodor Deahna. Deahna was the first to establish the sufficient conditions for the theorem, and Clebsch developed the necessary conditions. Frobenius is responsible for applying the theorem to Pfaffian systems, thus paving the way for its usage in differential topology."German mathematician whose work on algebraic geometry was considered the first and most fundamental work in that branch of mathematics. Clebsch also developed a brilliant interpretation of some of Georg Riemann's work on function theory and investigated some aspects of algebraic geometry using approaches that differed from convention, focusing on algebraic interpretations rather than geometrical ones. Clebsch also founded an important journal, Mathematische Annalen before his premature death at the age of 39." (Schlager, Science and Its Times, P. 267)The issue also contain:Cayley, Sur un cas particulier de la surface du quatrieme ordre avec seize points singuliers, P. 284-290.

Paris, Carillian-Goeury, 1839. Contemp. hcalf. Richly gilt spine. A paperlabel pasted on upper part of spine. Stamps on title-page. (4),455 pp. and 2 folded tables. Clean and fine.

Paris, Firmin Didot, 1825. 4to. Contemp. hcalf. Gilt spine.Titlelabel with gilt lettering. A paperlabel pasted on upper part of spine. Stamp on title-page. (4),V,(3),147 pp. and 5 large folded engraved plates. Some scattered marginal brownspots to textleaves.

Coloniae Allobrog. (Genf), 1613. 12mo. Contemp. full vellum. A piece (1 cm.) of vellum at upper part of spine, gone. (14),460,(17) pp. Greek and Latin text. Scattered brownspots. Aelian's "History" deals with human life and history and anecdotes of moralizing character. "Aelian's philosophical ideas, notably that of universal reason as manifested in the animal creation, derive from Stoicism; he is espicially bitter against the Epicureans. His excerpts, largely derived from intermediate sources (Sostratus, Alexander of Myndos, Pamphilus, etc.), often supplement our knowledge of earlier writers...His works enjoyed great subsequent popularity, and were much drawn upon by Christian writers."(Oxford Classical Distionary).

Dresden, G. Kühtmann, (1899). Large 4to. 2 orig. hcloth. Hinges with tears. Extremities with traces of use. VI,94 pp. and textillustr. + Atlas with 64 lithographed plates, each with descriptive text.

(London, Harrison and Sons, 1879). 4to. No wrappers as extracted from "Philosophical Transactions" 1879 - Vol. 169 - Part II. Pp. 777-822 a. 5 plates. First printing of Robinson's new experiments and researches into the constants of the Cup-Anemometer which he invented in 1846 by modifying Whewell's instrument by the introduction of the now-familiar windmill with hemispherical cups."A simple type of anemometer is the cup anemometer, invented (1846) by Dr. John Thomas Romney Robinson, of Armagh Observatory. It consisted of four hemispherical cups each mounted on one end of four horizontal arms, which in turn were mounted at equal angles to each other on a vertical shaft. The air flow past the cups in any horizontal direction turned the cups in a manner that was proportional to the wind speed. Therefore, counting the turns of the cups over a set time period produced the average wind speed for a wide range of speeds. On an anemometer with four cups it is easy to see that since the cups are arranged symmetrically on the end of the arms, the wind always has the hollow of one cup presented to it and is blowing on the back of the cup on the opposite end of the cross."