HENRY SOTHERAN & CO., 140, STRAND, W.C., and 43, PICCADILLY, W. 381 



7451 ECKTT A RTSHAXJSEN (Karl v.) Entwurf zu einer ganz neuen Chimie durch die Ent- 

 DECKUNG eines allgemeinen Naturprinzips, wodurch sich das phlogistische System der 

 alten, und das antiphlogistische der neuen Chimisten als zwey Extreme in ein Mittelsystenr 

 vereinigen lassen, u. s. w., 16nio. conteynporary hf. calf {rare), \5s Begensburg, 1800 



The author's speculations are based on an iraaginarj' ' Naturstoll", zugleich Feuerstoff in der Extension, Kalteatoff in 

 der Concentration, und aus dieser Materie lassen sich alle Naturerscheinungen erkljiren.'— P. 294. 

 The work was unknown to PoggendorfT. 



7452 EDEB (Josef Maria, Technische Hochschule, Wien) Ausfuhrliches Handbuch der Photo - 

 GRAPHIE ; with 4: fine plates and 986 woodcuts^ 3 vols. 8vo. in 2, hf. roan^ Is 6rf (p. M. 27 sewn) 



Halle a. S., 1884-6 



7453 EDGAB (Joseph Haythorne ; or., quondam Lieut. R.A.), and G. S. PBITCHABD : 



Note-Book on Practical Solid or Descriptive Geometry, 4th Edition, by Arthur G. Meeze, 

 unth diagrams y \2mo. cL, 2s M 1880 



7454 EDGEWOBTH (Bichard Lovell, f.r.s. ; Member of Irish Parliament ; father of Maria 

 Edgeworth) Essay on the Construction of Roads and Carriages, with 4 folding plates, 8vo. 

 boards, uncut {scarce), with auto, letter from Prof. F. Y. Edgeworth to F. J. Jervis-Smith, pr., 

 F.B.S.,12sed 1813 



The versatile author, whose habit of poUakigamy according to Sir Leslie Stephen resembled John Buncle's, invented 

 what was probably the first telegraph, in order to announce early racing results between Newmarket and London for his 

 smart friend Sir Francis Delaval. The telegraph was doubtless a semaphore system, and was afterwards set up by the 

 Government, under his superintendence, between Dublin and Galway. The fear of French invasion waning it was 

 dropped. 



7455 EDINBTJBGH PHILOSOPHICAL JOXJBNAL; exhibiting a View of the Progressive 

 Discoveries and Improvements in the Sciences and the Arts ; conducted by SiR David Brewster 

 and Robert Jameson, First Series, Vols. 1-9, 11, 13, and 14, with numerous copperplates, 

 12 vols. 8vo. hf calf (binding damaged), £1. Is Edin., 1819-26 



7456 EDINGEB (Albert ; Univ. Freiburg i. B.) Beitrage zur Kenntnis ringformigbr organ- 

 ischer Stickstoffverbindungen und deren Beziehung zur Constitution der stickstoffhaltigen 

 Alkaloide (Habilitationsschrift) ; with diagrams, 8vo. sewn, 2s Freiburg i. B., 1892 



7457 EDSEB (Edwin) Heat, for Advanced Students, with 214 illustrations, 12mo. cl., 2s (p. 4* 6rf) 



1899 



7458 Light, for Students, urith 306 illustrations, 12rao. cl., Zs 6c? (f . 6*) 1902 



7459 EDWABDS (E.Price) The Eddystone Lighthouses (New and Old), with Abridgement of 

 Smeaton's Narrative by T. Williams, 6 plates, 8vo. cl., 2s 1882 



7460 EDWABDS Jun. (Frederick) On the Ventilation of Dwelling-Houses, and the Utiliza- 

 tion of Waste Heat from Open Fire Places, with 19 plates {2 folding), roy. 8vo. cl., 4* 1868 



According to the preface the first attempt to use the heat escaping by the chimney. 



7461 Second Edition, including Chapter on London Smoke and Fog, Modern Fire Places, 



etc., with 17 plates {some different from those above), roy. 8vo. cl. {o. p.), Qs 1881 



7462 EDWABDS (Joseph) Differential Calculus, with Applications and numerous Examples : 

 an Elementary Treatise, with 94 diagrams, post 8vo. cl. {fresh copy), 5s (p. 10* 6c?) 1886 



7463 Differential Calculus for Beginners, diagrams, cr. 8vo. cl., 2s 6d (p. 4* 6cO 1893 



7464 Elementary Treatise on the Differential Calculus, with Applications and 



numerous Examples, 2nd Edition, enlarged, with 125 illustrations, 8vo. cl., with auto, letter from 

 the author, and auto, and MS. matter by F. J. Jarvis-Smith, jpr., F.B.S., 8« 6c? (p. 14*) 1892 



7465 Integral Calculus for Beginners, with Introduction to the Study of Differential 



Equations, 50 diagrams, cr. 8vo. cl., 2s 6c? (p. 45 6c?) 1894 



7466 EDWABDS (Bobert, M.i.c.K.) The Mechanical Engineer's Handy Office Companion, 

 12mo. cl, 2s 1898 



7467 EDWABDS (William Seymour) Coals and Cokes in West Virginia : a Hand-Book on the 

 Coals and Cokes of the Great Kanawha, New River, Flat Top, and adjacent Coal Districts, 8vo. 

 sewn, 2s Cincinnati, 1892 



7468 EGGEB (Kajetan; Munich) Leitfaden zu Vorlesungen iiber populare Experimental- 

 Physik, 2. verbesserte Auflage ; with Q folding plates, 8vo. hf. bound, 5s MUnchen, 1829 



Interesting for containing full descriptions and illustrations of a number of contemporary physical apparatus. 



7469 EGLESTON (Thomas) The Metallurgy of Silver, Gold, and Mercury, in the United 

 States, with 329 woodcuts (including many folding plates), 2 vols. 8vo. (pp. 1475), cl., £1. 1« 

 (p. £3. Ss) 1887-90 



7470 EHBMANN (Friedrich Ludwig) EssAi d'un Art de Fusion kl'AiDE del'AiR du Feu ou Air 

 Vital, traduit par Jean FRAN901S de Fontallard ; suivi des M^moires de Mr. Lavoisier 

 sur le meme Sujet ; with 3 plates, 8vo. contemporary French calf gilt {large and sound copy), lis 



Strasbourg, 1787 

 Lavoisier's contributions (pp. 118) comprise : ' De raction du feu animd par I'air vital sur les substances min^rales les 



plus refractaires ', 'Sur I'eflfet que produit sur les pierres pr^cieuses un degr^ de feu trfes-violent', and ' Sur un moyen 



d'augmenter consid^rableraent Taction du feu et de la chaleur dans les operations chimiques '. There is also an additional 



memoir by General Mkusnier de la Place. 



' Ouvrage important et qui contient une suite d'exp^riences aussi nombreuse, qu'il sera tr6s utile de le publier, et qu'il 



merite d'etre imprime sous le privilege de I'Academie '. — Extrait des registres de I'Acadimie, 



7471 EICHSTADT (Lorenz, m.d.) Ephemeridum Novarum et Motuum Coelestium 1651-65 

 Pars III^, quae Meridiano Uranopyrgico in Freto Cimbrico, Sedi Astronomiae instauratse, et in 

 inferioribus Planetis nempe Veuere ac Mercurio, Tabulis Rudolphinis JOHANNIS Kepleri ; at in 

 LuMiNARiuM MOTIBUS, EcLipsiBUS eorundem et superioribus Christiani S. Longomontani 

 Tabulis Danicis accommodata et liberiori paulo Calculo computata est ; cum C Aphorismis de 

 Judiciis Genethliacis ; loith numerous woodcuts, 4to. old English calf gilt {back of binding slightly 

 damaged, otherwise a fine copy), 10s 6d Amsterodami, Lud. Elsevir, 1644 



26 



