326 HENRY SOTHERAN & CO., 140, STRAND, W.C., AND 37, PICCADILLY, W. 



6372 BOSTOCK (John, M.D., F.R.S.) ACCOUNT of the HISTORY and PRESENT STATE of GALVANISM, 

 with '2 copperplates, 8vo. boards, uncut, with auto, of Sir diaries T. Bright, M.P., M.I.C.E., 

 6s Qd 1818 



The author was the tirst to diagnose hay-fever, and the above work according to D. N. U. is ' perhaps the only one of 

 his books still worth reading.' 



6373 BOSTON [Mass.] , MAIN DRAINAGE WORKS of, and its Metropolitan Sewerage District, pre- 

 pared by the Metropolitan Sewerage Commission, ivith 2 coloured maps and 14 plates, Svo. sewn, 

 2s Gd Boston {Mass.'] , 1899 



6374 BOTTEE de TOULMON (Jean Joseph Auguste), et Jean Rene Denis RIFFAULT des 

 HETRES : L'ART du SALPETRIER; with 5 folding plates, 4to. hf. cl., uncut, 10s Qd 1813 



' Dot tee inventa plusieurs instruments propres a 1'art du salpe trier, entre autres line eprouvette hydrostatique pour 

 determiner la force explosive de la poudre.' L'iogr. Gen. 



6375 BOTTONE (S. R.) ELECTRIC BELLS and all about them, with 102 woodcuts, cr. Svo. cl., 

 Is Qd 1889 



6376 BOULLIAU [Latine BULLIALDUS] (Ismae'l ; F.R.S.) De LINEIS SPIRALIBUS Demonstra- 

 tiones Novae (title mended) : EXERCITATIONES GEOMETRIC^E III; I. Circa Demonstrationes per 

 Inscriptas et Circumscriptas Figuras. II. Circa Conicarum Sectionum quasdam Propositiones. 

 III. De Porismatibus : ASTRONOMIC PHILOLAICLE FUNDAMENTA clarius explicata et asserta, 

 adversus SETHI WARDI [Episc. Sarum] Impugnationem 3 vols. 4to. in 1, with numerous diagrams; 

 sound copies in contemporary white vellum (RARE), 1. 55 Parisiis, 1657 



' Ses ecrits se font remarquer par une erudition prodigieuse ; on y trouve des vnes ingenieuscs et nouvelles . . . Le 

 nom d'cvection, dorine a 1'une des inegalites du mouvement de la luue, vient de lui ; on lui doit aussi une explication 

 plausible de la cause des changements de lumiere qu'on remarque dans certaines dtoiles.' Biogr. Gen. 



6377 - De NATURA Lucis ; with device on title, and diagrams, 12mo. sewn (sound copy) ; 



RARE, 15s ib., 1638 



The author's first work, 58 pp. of which contain a history of optical theories from Plato to Gemma Frisius. The author 

 considers light a ' substantia media proportionalis inter corpoream substantiam, et incorpoream.' 



6378 BOULNOIS (Henry Percy, M.I.C.E.) The CONSTRUCTION of CARRIAGEWAYS and FOOTWAYS, 

 with 41 woodcuts, Svo. cl., 2s Qd (p. 5*) 1895 



6379 - - The MUNICIPAL and SANITARY ENGINEER'S HANDBOOK, with numerous woodcuts, Svo. 

 hf. morocco neat, 4s Qd (p. 12s Qd) 1883 



6380 SECOND EDITION, revised and enlarged, with numerous woodcuts, Svo. hf. morocco (title 



stamped) ; out of print, Qs Qd (p. 15s) 1892 



63S1 BOURDON (Pierre Louis Marie) APPLICATION de I'ALGEBRE a la GEOMETRIE, 4 e Edition ; 

 with 15 plates, Svo. hf. calf, 3s 1837 



6382 The ELEMENTS of ALGEBRA, trans, from the three first Chapters of the Algebra, by 



AUGUSTUS DE MORGAN, F.R.A.S., 8vo. sewn (scarce), Qs 



6383 - CLEMENTS d'ARiTHMETiQUE, 16 e Ed., 8vo. hf. calf, 3s Qd 1838 



' Bourdon was an excellent elementary writer, both on arithmetic and algebra. 1 began my career as an author, by a 

 translation of part of his work on algebra.' Prof, de Morgan. 



6384 BOURGUET (Louis) LETTRES PHILOSOPHIQUES sur la FORMATION des SELS etdes CRYSTAUX 

 et sur la Generation et le Mechanisme Organique des Plantes et des Animaux a 1'Occasion de la 

 PIERRE BELEMNITE, et de la PIERRE LENTICULAIRE, avec Memoire sur la THEORIE de la TERRE, 

 2 e Ed. ; with folding plate, \2\\\o.finecopy in contemporary English eaJ/(RARE), 15s Amsterdam, 1762 



1 II essaya de montrer quo la cristallisation est le resultat d'un inecanisme geometrique, comme la conception et la 

 production des etres organises est un developpement opere par un inecanisme organique. II expliqua la maniere dont se 

 forment sous nos yeux certaines especes do roches, et il tira de la quelques conjectures sur la maniere dont ont du se 

 produire les roches anciennes et les fossiles . . . L'hypothese de 1'echelle des etres, qui est en general attribue a Ch. 

 Bonnet, appartient a Bourguet.' ttiogr. Gen. 



The above fine copy belonged to RICHARD WATSON, F.R.S., absentee Bp. of Llandaff, and Professor of chemistry, 

 Cambridge (1737-1810), and bears his AUTOGRAPH on title, and the Calgarth Park booklabel. 



6385 BOURNE (John, C.E.) TREATISE on the SCREW PROPELLER, with various Suggestions of 

 Improvement, 2nd Ed., revised, with 20 folding plates, and 206 woodcuts, 4to. calf gilt, XsQd 1855 



The first 85 pages contain a valuable historical account. 



6386 THIRD [LAST] EDITION : TREATISE on the SCREW PROPELLER, SCREW VESSELS, and 



SCREW ENGINES, for Peace and War, with other Methods of Propulsion, Tables of the Dimensions 

 and Performance of Screw Steamers, and detailed Specifications of Ships and Engines, with 3 fine 

 steel portraits of the Author, Sir F. P. Smith, and J. Ericsson by Adlard, 51 plates, and 287 

 woodcuts, thick roy. 4to. hf. calf (scarce), 15s (p. 3. 3s) 1867 



Last edition, wholly rewritten and greatly enlarged, of the most complete work on the subject ever issued, and a work 

 cf considerable historical value. 



6387 - TREATISE on the STEAM ENGINE, in its Application to Mines, Mills, Steam Navigation, 

 and Railways, by the ARTIZAN CLUD, first edition, with 30 plates and 349 woodcuts, 4to. cl., 

 or, hf. calf (scarce), 8s Qd 1846 



According to the preface the first practical treatise on the steam engine. The above edition is especially interesting for 

 containing descriptions of early locomotives. 



6388 - - FIFTH EDITION, with 37 plates and 516 woodcuts, thick 4to. cl., with author's inscr., 6,s Qd 

 (p. 2. 2s) 1861 



' Of priceless value to engine-makers and engine-users, containing a vast amount of practical information on the 

 steam engine, such as is to be met with nowhere else.' Mechanic's Magazine. 



6389 BOUSFIELD (William Robert, K.C.) The PATENTS, DESIGNS, and TRADE MARKS ACT, 

 1883, and the Rules and Forms thereunder, with Notes and Introductory Chapters, Svo. cl., 3s 

 (p. 8s) 1884 



6390 BOUTIGNY (P. H., d'Eyrcux) ETUDES sur les CORPS a 1'ETAT SPHEROIDAL: Nonvclle Branche 

 de Physique, 3 C Ed., considerablement augmentee ; with 21 woodcuts, Svo. sewn (scarce), with 

 author's inscr. to Dr. 1'hipson, Qs Qd 1857 



An i'l;ilifi;(tiini 't l.cid''iifrost's phi'iminriioii. 



