HENRY SOTHERAN & CO., 140, STRAND, W.C, and 43, PICCADILLY, W. 8091 

 Mathematics, continued:— 



16085 GUNDELFINGER (Sigmund) Vorlesungen aus der analytischen Geometrie der 

 Kegelschnitte, herausgegeben von Friedrich Dingeldey, mit Anhang : Aufgaben und 

 weitere Ausf iihrungen ; with diagrams^ large 8vo. handsomely hound in hf. black morocco, cL 

 sides {fine copy), 9* (p. 12 M. sewn) Leipzig, 1895 



' la diesen Vorlesungen sind sammtliche Probleme vermittelst der (Staudt-Fiedler'schen) projectivischen Coordinateav 

 behandelt.'— Pro/. F. Dindeldey. 



16086 GtJNTHER (Siegmund, Technische Hochschule, Miinchen) Geschichte der MathematiKv 

 von den iiltesten Zeiten bis Cartesius ; with 56 diagrams, large cr. 8vo. cl., Qs (p. M. 9.60) 



Leipzig, 1908 

 V. Wieleitner, post. 



16087 Lehrbuch der Determinanten-Theorie ; 2. [neueste] uragearbeitete Auflage, mib 



Aufgaben-Sammlung, 8vo. buckram, 35 (p. M. 5 sewn) Erlangen, 1877 



16083 HAAG (J., Univ. Clermont-Ferrand) CoURS Complet de Math6matiques Speciales, 

 Tome I (Algebre et Analyse), avec les Exercices du Tome I ; with diagrams, 2 \o\%.\a,vgQ 8vo, 

 in 1, hf. purple morocco neat, cl. sides {as good as new), lis (p. F. 16.50 nett sewn) 1914 



16089 HAAG (Paul, Ecole des Fonts et Chauss^es) CouRS de'CALCUL Differentiel et Integral ;; 

 with numerous diagrams, Svo. hf. black morocco neat, cl. sides, t. e. g. {nice copy), 8s (p. F. 12 nett 

 sewn) 1893» 



16090 HADAMABD (Jacques, de la Sorbonne) Lemons de Geometrie ^^lementaire (Tome I 

 2e Edition) ; with 632 diagrams, 2 vols. 8vo. in 1, /handsomely bound in hf. black morocco, cl. sides 

 {as good as new). Us (p. F. 16 nett sewn) ' 1906 



16091 HAGEN (Gotthilf) Grundzuge der Wahrscheinlichkeits-Rechnung, 3. [letztej 

 uragearbeitete Auflage, mit Nachtrag : der Constanten wahrscheinliche Fehler— 2 vols, large 

 post 8vo. in 1, red buckram, 5s (p. M. 7.60 sewn) Berlin, 1882-4 



16092 HAGEN (Johann Georg, s.J. ; Director, Specola Vaticana) Synopsis der hoheren Mathk^ 

 MATIK, 3 vols, roy, 4to. hf. black morocco neat, cl. sides {nice copy), £1. 5* (p. M. 100 sewn) 



Berlin, 1891-1905 

 Inhalt :— Arithinetische und algebraische Analyse : II. Geometrie der algebraischen Gebilde: III. Differential- und 

 Integralrechnung. 



16093 HALL (Henry Sinclair), and S. R. KNIGHT: Elementary Algebra for Schools, 

 containing a Chapter on Graphs, with Answers, 7th Edition, enlarged, luith diagrams ; with the 

 Solutions, 2 vols. cr. 8vo. in 1, handsomelg bound in hf. black morocco neat, cl. sides {riice copy), 

 8s (p. 135 in cl.) 1903-2 



16094 Elementary Trigonometry, 4th [latest] Edition, enlarged, with diagrams, 



large 12mo. buckram, 2s 6d (p. is 6d) 1912; 



16095 Higher Algebra ; 3rd Edition, enlarged, with the Solutions— 2 thick vols, 



cr. Svo. in 1, hf. pigskin {worn), 8s (p. 185 in cl.) 1889' 



16096 Fourth [last] Edition, with Solutions of the Examples, 2 vols. cr. Svo. in one, hf, 



pigskin neat, 10s 6d (p. 18*) 1896-4 



16097 HALLER v. Hallerstein (F. Baron) Lehrbuch der Elementar-Mathematik fiir die 

 Porteepeefiihnrichs-Priifung in der Preussischen Arniee u.s.w., II. Teil: Geometrie, 11. 

 [neueste] Aufiag von Bruno Hulsen ; with numerous diagrams, Svo. handsomely bound in hf. 

 black morocco, cl. sides {fine copy), 5s (p. M. 6.80 sewn) Berlin, 1906 



16098 HALSTED (George Bruce, Univ. Texas) The Elements of Geometry, with numerous 

 diagrams, roy. Svo. buckram, t. e. g. (scarce), 15* 1886 



' The present work strives to present the Elements of Geometry in a way so absolutely logical and compact that 

 they may be ready as rock-foundation for more advanced study.' — Preface. 



16099 Geometrie Rationnelle : Traits ^l^mentaire de la Science de I'Espace, Traduction- 



fran9aise par Paul Barbarin, avec Preface de C. A. Laisant; with 184 diagrams, Svo^ 

 buckram, t. e. g., 4* (p. F. 6.50 nett sewn) 1911 



16100 Rational Geometry : a Text-Book for the Science of Space ; 2nd Edition, thoroughly 



revised, with 238 diagrams, post Svo. buckram, is 6d (p. 7* 6d nett) New York, 1907 



' The iirst text-book of geometry to treat proportion without any continuity assumption.'— Pre/ace. 



16101 Report and Supplementary Report on Progress in Non-Euclidean Geometry 



(pp. 28 + 27) : The Lobachevski Prize (pp. 32)— in 1 vol. roy. Svo. cl., 5s 1899-1904 



16102 Synthetic Projective Geometry; 4th Edition, enlarged, ivith diagrams, large Svo, 



cl., 3s (p. 4* 6d nett) New York, 190& 



16103 HAMILTON (Sir William Rowan, Andrews Frof Astronomy, Dublin) Elements of 

 Quaternions; 2nd [latest] Edition [with Index], edited by Charles Jasper Joly, t.c.d.. 

 Royal Astronomer of Ireland ; ivith diagrams, 2 vols. cr. 4to. in 1, handsomely bound in hf 

 crushed black Levant morocco, cl. sides, uncut, t. e. g. (fine COPY), £1. 12s 6rf (p. £2. 2s nett in cl.) 



1899-190-1 

 Still the classical handbook on quaternions, by their inventor. ' It is founded on the same principles as the 

 • Lectures,' but the plan adopted is entirely new, and the present work can in no sense be considered as a second 

 edition of that former one.'—AuthofsTpreface. 



16104 HANKEL (Hermann) Theorie der complexen Zahlensysteme, insbesondere der 

 gemeinen imaginiiren Zahlen und der Hamilton'schen Quaternionen, nebst ihrer geo- 

 metrischen Darstellung, Svo. buckram, 3s 6c? Leipzig, 1S6I 



