HENRY SOTHERAN & CO., 140, STRAND, W.C., AND 43, PICCADILLY, W. 837 



MATHEMATICS, continued: 



16719 THOMAE (Johannes ; Prof. Mathematics, Jena] ABRISS einer THEORIE der FUNCTIONED 

 einer COMPLEXEN VERANDERLICHEN und der THETAFUNCTIONEN, 3. [letzte] erheblich vermehrte- 

 Auflage: with plate and diagrams, 4to. red buckram, Is Qd (p. M. 10 sewn) Halle, 189Q> 



16720 ELEMENTARE THEORIE der ANAL YTISCHEN FCJNCTIONEN einer COMPLEXEN VERANDER- 

 LICHEN, 2. umgearbeitete Auflage ; with diagrams, large 4to. buckram, uncut, t. e. g., 7s (p. M. 9 

 sewn) ibidem, 1898 



16721 Die KEGELSCHNITTE in REIN PROJECTIVER BEHANDLUNG ; with Infolding plates (linen- 

 mounted), besides diagrams, 8vo. buckram, 4s (p. M. 6 sewn) ib., 1891 



16722 THOMAN (Eedor, du 'Credit Mobilier') TABLES des LOGARITHMES a 27 DECIM ALES pour lesr 

 Calculs de Precision, roy. 8vo. cl. (SCARCE), 10s Qd Imprimerie Imperiale, 1867" 



' Le but de ces tables est de trouver par uii precede facile et simple, sans division, sans multiplication et sans formule 

 le logarithme d'un nombre donne ou le nombre correspondant a uu logarithme donri6.' Introduction. 



16723 THEORY of COMPOUND INTEREST and ANNUITIES, with Logarithmic Tables, 4th Edition^ 



fcap. 8vo. boards, 2s 1891 



16724 THORNTON (A. G., manufacturer to Gfovt.) MATHEMATICAL DRAWING INSTRUMENTS and 

 MATERIALS, etc., with plate and numerous illustrations, post 8vo. cl., 2s Qd . [1906] 



16725 TISSEBAND (Felix; de VInstitut) RECUEIL COMPLEMENT AIRE d'ExERCiCES surle CALCUL 

 INFINITESIMAL; 2 e [derniere] edition, augmentee des nouveaux Exercices sur les Va riables 

 Imaginaires, par P. PAJNLEVE; with 83 diagrams, 8vo. hf. black calf neat, cl. sides (a 1 } g ood as 

 new), 6s (p. F. 9.00 nett sewn) 189fc 



16726 TODHUNTEB. (Isaac, St. John's Coll., Cantab.; F.R.S.) ALGEBRA, with numerous Examples*, 

 new Edition, with Key, 2 vols. post 8vo. hf. pigskin, Is Qd (p. 18s in cl.) 1889-94* 



16727 HISTORY of the MATHEMATICAL THEORY of PROBABILITY, from the Time of PASCAL. 



to that of LAPLACE, thick 8vo. cl., uncut (VERY SCARCE), 2. 15s Cambridge, 1865- 



The only important history of the theory of probability extant, and like Dr. Todhunter's other historical wo rks y off 

 great value also from a bibliographical point of view. 



16728 PLANE TRIGONOMETRY, with numerous Examples, 6th Edition, with diagrams ; with 



Key, 2 vols. cr. 8vo. in 1, buckram, 6s (p. 15s Qd) 1876-93 



16729 NEW [FINAL] EDITION, revised by R. W. HOGG, with diagrams', with Key, 2 vols. cr. 



8vo. in 1, handsomely bound in half pigskin, cl. sides, 9s (p. 15s 60? in cl.) 1893-5 



16730 NEW ISSUE (without the Key), cr. 8vo. cl., 3s (p. 5s) 1905 



16731 SPHERICAL TRIGONOMETRY [final Edition], revised by J. G. LEATHEM, with numerous* 



diagrams, cr. 8vo. cl., 4s (p. 7s Qd) 190R 



16732 TREATISE on the DIFFERENTIAL CALCULUS, with numerous Examples, 6th [tinalp 



Edition, with diagrams, post 8vo. cl., 4s 60? (p. 10s Qd) 1873: 



16733 NEW EDITION [unaltered] , with diagrams ; Key by H. ST. J. HUNTER, with diag rams 



2 vols. post 8vo. in 1, buckram, 10s Qd (p. 1. Is) 1907-1888- 



16734 TREATISE on the INTEGRAL CALCULUS and its Applications, with numerous Exam pies, 



4th Edition, revised and enlarged, with diagrams, post 8vo. cl., 4s (p. 10s Qd) 1874- 



16735 FINAL EDITION [enlarged], with diagrams; with Key by H. ST. J. HUNTER, with 



diagrams, 2 vols. post 8vo. in 1, buckram, 10s Qd (p. 1. Is) 1895-89' 



16736 TREATISE on PLANE CO-ORDINATE GEOMETRY as applied to the STRAIGHT LINE ancD 



the CONIC SECTIONS, with numerous Examples ; 5th Edition, with diagrams, post 8vo. buc kram, 

 3s (p. 7s Qd) 1874 



16737 TOWNSEND (Richard; pr., F.R.S. , Prof. Natural Philosophy, T.C.D.) CHAPTERS on the 

 MODERN GEOMETRY of the POINT, LINE, and CIRCLE, with diagrams, 2 vols. 8vo. in 1, cl., uncut, 

 10s Qd Dublin, 1863-& 



16738 ANOTHER COPY, 2 vols. in 1, hf. black morocco neat, cl. sides, t.e.g. (asgoodas new), 12$ 



' A. treatise of great importance in the history of pure geometry.' D. N. B. 



16739 TBESSE (A.), et A. THYBATJLT : COURS de GEOMETRIE ANALYTIQUE; with 2Q1 diagrams, 

 roy. 8vo. (pp. 552), handsomely bound in hf. black morocco, cl. sides, uncut, t. e. g. (fine copy), 8s Qd 

 (p. F. 12 nett sewn) 190 



16740 TSCHEBYSCHEFF (Pafnutij Lvovitch ; Prof. Mathematics, Petrograd) ELEMENTS der 

 ZAHLENTHEORIE (THEORIE der CONGRUENZEN), deutsch mit Automation des Verfassers 

 herausgegeben von HERMANN SCHAPIRA ; neue Ausgabe, large post 8vo. buckram, 3s 60? 



Berlin, 1902 



16741 VACaUANT (Charles),, et A. MACE de LEPINAY: COURS de GEOMETRIE ELEMENTAIRE, 

 avec des Complements ; 7 e Edition ; with numerous illustrations, 8vo. (pp. 915), handsomely bound 

 in hf. black morocc-o, cl. sides (as good as new), Qs Qd (p. F. 10 nett sewn) 1904 



16742 : LECONS d'A.LGEBRE ELEMENTAIRE; 15 e [derniere] Edition, avec Complement 



sur les Determinants ; with diagrams, 8vo. (pp. 789), handsomely bound in hf. black morocco, cl. 

 sides, 5s (p. F. 6.50 nett sewn) s. d. 



16743 ANOTHER COPY ; also : COMPLEMENTS d'ALGEBRE et NOTIONS de GEOMETRIE AN ALY- 



TIQUE, par A. MACE DE LEPINAY, 5 e [derniere] edition ; with 224 diagrams, 2 vols. 8vo. in 1, 

 handsomely bound in hf. pigskin, cl. sides, 8s (p. F. 11 nett sewn) *. d. 



55 



