26 HENRY SOTHERAN & CO., 140, STRAND, W.C, and 37, PICCADILLY, W. 



497 BOTJGUER (Pierre; f.r.s.) Traite du Navire, de sa Construction, et de ses Mouvemens, 

 premiere edition: with 12 folding plates, 4to. contemporary calf gilt (rare), 17^ Qd 1746 



This important wori< is generally considered to have laid the foundation of the theory of naval architecture. 



498 Traite d'OPTiQUE sur la Gradation de la Lumiere. Ouvrage postlmme, publie par 



I'Abbe N. L. DE liA Caille ; ivith 1 folding plates, 4to. contemporary French mottled calf extra, 

 with arms on side (rare), £1. 1* 1760 



'His investif^ations concerning the intensity of light laid the foundation of photometry; their results were fully em- 

 bodied in his Traite d'Optiquc (I7(i0) '. 



499 [BOTJLANGER (Jean, Lecteur du Boi)] Traict6 de la Sphere et de ses Parties, oii sont 

 declarez les Noms et Offices des Cercles . . . plus le Planisphere Universel ou se trouvent 

 facilement expliquees plusieurs belles et rares propositions ; with fine copperplates by G. HONDIUS, 

 and table, 2 vols. sm. 4to. in 1, old limp parchment (rare), \os Rouen, 1651-50 



UnknoAvn to Poggendorff and other bibliographers. 



SCO BOULLIAU [^«^/??c BULLIALDXJS] (Ismael) AstronomiaPhilolaica : Opus Novum, in quo 

 Motus Planetarum per novam et verani hypothesim demonstrantur, editio princeps ; with wood- 

 cuts, folio, vellmn (rare), £1. 10* " Parisiis, 1645 

 This important work according to Newton first mentions the sun's attraction, which decreases in inverse proportion to 

 its distance. 



501 Opus Novum ad Arithmeticam Infinitorum, in quo plura a nullis hactenus edita 



demonstrantur; numerous plates, folio, old calf gilt, with bookplate of Philip 2nd Earl Stanhope, 

 F E.S.,andMS. mathematical calculations by him, 10s Lutetian Par., 1682 



502 BOURDET (— ) Traite pratique des Digues le long des Fleuves et des Rivii^res, avec Regies 

 touchant les Epis, Fascinages et Reservoirs ; with ^plates, 12mo. old hf. calf gilt, with bookplate 

 of Charles 3rd Earl Stanhope, 5s Berlin, 1773 



503 BOURDIN (Pierre, s.J.) COURS de Mathematique, contenant en 100 figures une Idee gene- 

 rale de toutes les Parties de cette Science ., . . avec un Traite de I'Usage du Globe terrestre, et 

 de rOptique Dioptrique et Catoptrique, 3^ Ed., with 100 etched illustrations, sm. 4to. old calf {title 

 mounted, and name cut out) ; rare, \0s Qd 1661 



The French edition of this work was unknown to Poggendorfl". , 



504 BOURDON (Pierre Louis Marie) Application de I'Algebre a la G^ometrie, 4« Ed. ; with 

 15 2}lates, 8vo. hf calf, 4s 1837 



505 Elemens d'ALGEBRE, 7^ Ed., 8vo. hf calf, 3s 6d 1834 



' 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. 



506 BOURGEOIS (Leon) Reproduction Artificielle des Mineraux ; with 8 plates (1 coloured), 

 roy. 8vo. sewn, 3s 6d 1884 



507 BOURN (Charles) Principles and Practice of Engineering, and Trigonometrical, Sub- 

 terraneous, and Marine Surveying, with Appendix. 3rd FA., folding plates and icoodcuts, 8vo. 

 cl. {out of print), 4s ' ' 1867 



508 BOURNE (John, c.E.) 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, 3rd [last] Ed., 

 icith 3 fine steel portraits of the Author, SirF. P. Smith, and J. Ericsson by Adlard, 51 plates, and 

 287 woodcuts, thick roy. 4to. hf morocco {scarce), lis M (p. £3. 36) 1867 



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

 considerable historical value. 



509 Treatise on the Steam Engine, with Investigations on the Motive Power of Heat, Tables, 



etc., and its Manufacture and Management, with 37 plates and 546 woodcuts, thick 4to. cl., 8s Qd 

 (p. £2. 2s) 1862 or 1866 



' 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 q\sq.'— Mechanic's Mag. 



510 BOURNON (Jacques Louis, Comte de) Observations sur quelques-uns des Mineraux, soit 

 de I'Isle de Ceylan, soit de la Cote de Coromandel, 4to. (pp. 35), sewn, 2s 1823 



511 BOURaUELOT (Emile) Les Fermentations ; with 21 icoodcuts, 8vo. cl., 2s 1893 



512 BOUTY (Edmond) Notes sur les Progres Regents de la Physique ; with woodcuts, large post 

 8vo. sewn, \s 1882 



513 BOUVIER (Hannah M.) Familiar Astronomy, or an Introduction to the Study of the 

 Heavens, with Treatise on the Globes, and Astronomical Dictionary (pp. 89), with 2 star-maps 

 and 219 icoodcuts, 8vo. cl., 6^ %d Philadelphia, 1856 



• A work of great value ... No work which I have seen, of a partly familiar character, contains so much accurate 

 information on astronomy.'— Sir G. B. Airy. 



514 BOWSS AN [the Younger] (JohnEddowes, f.c.s.) Introduction to Practical Chemistry; 

 Practical Handbook to Medical Chemistry, both ed. by Charles L. Bloxam, woodcuts, 

 2 vols. 12mo. in 1, hf bound, 2s 6d 1861-2 



615 BOYD (Capt. John M'Neill) Manual for Naval Cadets, 2nd Ed., with coloured plates, and 

 nwnerous woodcuts, thick post 8vo. cl , 3s M 1860 



516 BOYER (Jacques) Histoire de Mathematiques ; with portraits andfss., 8vo. cl., 4s 1900 



An excellent short history of the science, consisting of 247 pp. of text, and a copious index. 



517 BRADLEY (Thomas) Elements of Geometrical Drawing ; or Practical Geometry, Plane 

 and Solid, including both Orthographic and Perspective Projection, with 60 plates by Loicry, 2 vols, 

 obi. impl. folio, hf bound, Ss 6d (p. £1. 126-) ' [1861] 



518 BRAMER (Benjamin) Problema: wie auss bekannt gegebenem Sinu, eines Grades Minuten | 

 Oder Secunden | alle folgende Sinus aufts leichteste zu linden | und der Canon Sinuum zu absol- 

 vieren seye ; with woodcut title, 4to. (pp. 30), sewn {slightly stained and wormed), 10s6d Marpurg, 1614 



Chiefly based on Joost Birgi's invention of "the circle of proportion. 



