HENKY SOTHERAN & CO., 140, STRAND, VV.C, AND 43, PICCADILLY, W. 813 

 Mathematics, continued : — 



16179 JACKSON (J. Stuart, Caius Coll.) Geometrical Conic Sections : an Elementary Treatise 

 in which the Conic Sections are defined as the Plane Sections of a Cone, and treated by the 

 Method of Projections, with diagrams ^ cr. 8vo. cl. {o. p.), 3s 1872 



16180 JACdUIEB (Edme) Application de la G^ometrie h la Science des Nombres : Interpreta- 

 tion des Theoremes et des Discussions de I'Algebre (51enientaire au Moyen de la Geometrie des 

 Courbes ; luith diagrams, large post 8vo. buckram, t. e. g., 3s 1888 



16181 JAHNKE (Eugen, Bergakademie, Berlin), und Fritz EMDE: Funktionentafeln mit 

 Fornieln und Kurven ; with 53 diagrams, roy. 8vo. cl., 4s (p. M. 6) Leipzig, 1909 



161S2 JANSON-DURVILLE (E., sous-Chef au Ministdre des Finances) COURS de Mathematiques 

 appliquees aux Operations Financieres, roy. 8vo. hf. brown morocco neat (scarce), 125 1887 



' Bien que je me sois place a un point de vuc absolument pratique, j'ai voulu que toutes les formules employees 

 fussent demontrees avaut leurs applications.' — Preface. 



16183 JAVARY (A.) Traite de G6om6trie Descriptive, 4« ]fedition; with numerous folding plates 

 and diagrams, 2 vols. 8vo. red buckram^ 10« Qd (p. F. 17 nett sewn) 1893 



16184 Projections Cot^es et Surfaces Topographiques ; with 54 illustrations, roy. 8vo.c/., 



uncut, \s Qd [1903] 



a supplement to the above work. 



16185 JOACHIMSTHAL (Ferdinand, Univ. Breslau) Anwendung der Differential- und In- 

 TEGRALRECHNUNGauf die allgenieine Theorie der Flachen und der Linien doppelter Krum- 

 MUNG ; 2. [letzte] Autlage von L. Natani ; illustrated, 8vo. hf. cl. (o. p.), 4s (p. M. 6 sewn) 



Leipzig, 1881 



16186 JOHNSON (W. E., King's Coll., Cantab.) Treatise on Trigonometry, with diagrams, 

 cr. 8vo. cl, 4s (p. 8s Qd) 1889 



With hnal chapter on the interpretation of V - 1, as an introduction to the study of quaternions. 



16187 JOHNSON (William Woolsey, Prof Mathematics, U. S. N. Academy) Curve Tracing in 

 Cartesian Coordinates, with diagrams, postSvo. cl.,2sQd{p. 4s 6d nett) New York, 1895 



16188 The Theory of Errors and Method of Least Squares, with diagrams, cr. 8vo 



buckram, 4s (p. Gs Qd nett) ibidem, 1912 



16189 Treatise on Ordinary and Partial Differential Equations, 3rd [latest] Edition, 



large cr. 8vo. buckram, 10s (p. 15,s nett) ib., 1910 



Containing; a development of the theta functions. 



' A geometrical theory of singular solutions [of differential equations] resembling the one used by Cayley was 

 previously employed by W. W. Johnson.' — Prof. Cajori. 



16190 JOLY (Charles Jasper, f.r.s., Boyal Astronomer of Ireland) Manual of Quaternions, 

 with diagrams, 8vo. cl., 7s (p. 105 nett) 1905 



'Although this book may be regarded as introductory to the works of Haniilton Iq.v. antel, it may also to some extent 

 be considered as supplementing them.' — Preface. 



16191 JORDAN (Gamille, de VInstitut) CoURS d'ANALYSE de ri:cOLE Polytechnique ; 2^ 

 Edition, entiferement refondue ; with diagrams, 3 thick vols. 8vo. handsomely bound in hf 

 maroon morocco, cl. sides, uncut, t. e. g. {as good as new), £1. 10* (p. F. 49 nett sewn) 1893-6 



16192 Tome IlJe : Equations diff^rentielles ; with diagrams, 8vo. hf. maroon morocco 



neat, cl. sides, uncut, t. e. g., 6s 6c? (p. F. 17 nett sewn) 1887 



16193 Trait6 des Substitutions et des Equations Algi^briques, 4to. handsomely bound in 



hf. crushed maroon morocco, cl. sides, uncut, t. e. g. (fine copy) ; very scarce, £3. 17s %d 1870 

 A classic on the theory of substitutions, which was created by E. Galois. 



16194 , et Raymond FIEDLER : Contribution k I'Etude des Courbes Convexes 



Fermees et de certaines Courbes qui s'y rattachent ; with diagrams, large 8vo. buckram, 2s 6g? 



1912 



16195 JOUFFRET (Esprit; Lieut.-Col. d' Artillerie) MELANGES de G60METRIE a Quatre 

 Dimensions ; with 49 illustrations, roy. 8vo. buckram, t. e. g., 4s Qd (p. F. 750 nett sewn) 1906 



16196 Traite iSlementaire de Geom6trie h Quatre Dimensions, et Introduction h la 



Geometric k n Dimensions ; with 65 illustrations, roy. 8vo. handsomely bound in hf black 

 morocco, cl. sides, uncut, t. e. g. {as good as neiv), 5s Qd (p. F. 7.50 nett sewn) 1903 



16197 JTJb6 (Eugene) ExERClCES de G6om6trie Analytique ; with 11 folding plates, 8vo. 

 buckram, 3s 1866 



16198 JTJRISGH (ijtienne) Questions de G6om6trie Descriptive', with diagrams and numerous 

 folding plates, 8vo. cl., uncut, 5s (p. F. 9.50 nett sewn) 1883 



16199 KAISER (H.) Einfuhrung in die neuere analytische und synthetische Geometrie ; 

 with 3 plates, and 83 woodcuts, 8vo. boards, 'Is 6d (p. M. 6.70) Wiesbaden, 1887 



16200 KARAGIANNIDES (A.) Die nichteuklidische Geometrie vom Alterthum bis zur 

 Gegeuwart : eine historisch-kritische Studie, large post 8vo. (pp. 44), cl. {scarce), 3s Berlin, 1893 



16201 KARITP (W.) Handbuch der Lebensversicherung, 2. [neueste] Ausgabe [herausgegeben 

 von JoHANN Karup] , 8vo. hf. maroon morocco neat, cl. sides, uncut, t. e. g. {as good as new), 

 6s 6d (p. M. 9 sewn) Leipzig, 1885 



16202 KEMPE (Sir Alfred Bray, f.r.s. ; Chancellor of the Diocese of London) Memoir on the 

 Theory of Mathematical Form [Phil. Trans.], with 72 diagrams, 4to. (pp. 70), cl., 4s 1886 



