HENRY SOTHEKAN & CO., 140, STRAND, W.C, and 43, PICCADILLY, W. 805 

 Mathematics, continued:— 



15994 FERVAIi (Henri) COURS de Geometrie Cotee, 3^ [derniere] Edition, compl^tement refondue; 

 with plates and numerous diagrams , 8vo. cl., 2s 6d 1909 



15995 FILIPOWSKI (Herschell E.) Table of Anti- Logarithms; containing to Seven Places 

 of Decimals, Natural Numbers, answering to all Logarithms from -00001 to -99999, and Im- 

 proved Table of Gauss's Logarithms, with Introduction, containing the History of Logarithms ; 

 3rd [last] Edition, corrected, 8vo. buckram, 7s 6rf (p. 15^) 1861 



' All that could be wished in extent, in structure, and in typography. For its extent it is unique among modern 

 tables '.—Prof, de Morgan. 



15996 FILON (Louis Napoleon George ; f.r.s.) Introduction to Projective Geometry, unth 

 63 diagrams, post 8vo. cL, 4* 6d (p. 8s 6d) [1908] 



15997 FINE (Henry Burchard, Princeton Univ.) The Number System of Algebra, treated 

 theoretically and historically ; 2nd Edition, with Corrections, cr. 8vo. cL, 3s Boston [Mass.], 1907 



'The historical portion gives a reswiU of the history of the most important parts of elementary arithmetic and 

 algebra.' — Sonnenschein. 



15998 FISCHER (Eduard) Systematischer Grundriss der Elementar-Mathematik ; with 

 diagrams, 2 vols. 8vo. in 1, buckram, 3s 6c? (p. M. 5.25 sewn) Berlin, 1891 



15999 FLEXJRY (Henry) Theorie Rationnelle de I'Infini Mathematique et du Calcul 

 Infinitesimal ; 2® [derniere] Edition, augment^e d'une Theorie nouvelle et rigoureuse du 

 Probleme analytique des Tangentes ; with 26 diagrams, roy. 8vo. hf. black morocco neat, cl. 

 sides, t. e. g. (as good as new), 7s (p. F. 10 nett sewn) 1899 



16000 FLYE STE.-MAKIE (C, Capitaine d'Artillerie) Etudes Analytiques sur la Theorie des 

 Paralleles ; with 8 folding plates, large 8vo. hf. black calf neat, cl, sides (as good as neia), 

 4s 1871 



16001 FOLLOWS (George H., Carnegie Schools, Pittsburgh) The Essentials of Descriptive 

 Geometry, with numerous illustrations, roy. 8vo. cl., 5s (p. 8s 6c? nett) New York, 1908 



16002 F0NTEN]& (G.) L'Hyperespace \ (n- 1) Dimensions : Proprietds mdtriques de la Correlation 

 gendrale ; with diagrams, roy. 8vo. buckram, 3s M (p. F. 5 nett sewn) 1892 



16003 Another Copy, hf. maroon morocco neat, cl. sides, uncut, t. e. g., 4s 



16004 FORSYTH (Andrew Russell, f.r.s,, Sadlerian Prof, Cantab.) Lectures on the Differen- 

 tial Geometry of Curves and Surfaces, with diagrams, roy. 8vo. hf black morocco neat, cl. 

 sides (as good as neiv), 16s 6c? (p. £1. Is nett in cl.) Univ. Press, Cambridge, 1912 



16005 Lectures introductory to the Theory of Functions of two Complex Variables, 



unth diagrams, roy. 8vo. cl., 7s (p. 10s nett) apud eandem, ibidem, 1914 



16006 Theory of Functions of a Complex Variable ; 2nd [latest] Edition [greatly enlarged], 



with plate and numerous illtistrations, roy. 8vo. handsomely bound in hf. pigskin, cl. sides, t. e. g., 

 16s 6c? (p. £1. Is nett in cl.) a. e., ib., 1900 



A standard work on the subject. 



16007 Treatise on Differential Equations, 2nd Edition, 8vo. cl., 6s (p. 14s) 1888 



16008 Lehrbuch der Differential-Gleichungen, mit den Auflosungen der Aufgaben 



von Hermann Maser ; 2. [neueste] autorisierte Aufiage, nach der 3. des englischen Originals 

 besorgt und mit Anhang von Zusiitzen versehen von Walther Jacobsthal, large 8vo. (pp. 943), 

 handsom,ely bound in hf pigskin, cl. sides, uncut, t. e. g. (fine copy), 15s (p. M. 20 sewn) 



Braunschweig, 1912 

 The SOLUTION'S by H. Maser are not contained in the English original. 



16009 FORT (O., Polytechnikum, Dresden), und Oskar SCHLOMILCH : Lehrbuch der ANALY- 

 TiscHEN Geometrie, II. Teil : Analytische Geometric des Raumes ; 5. Aufiage ; with diagrams, 

 Svo. original hf. binding, 3s (p. M. 6) Leipzig, 1886 



16010 Beide Teile, 6. Auiiage, von R. Heger ; with 135 diagrams, 2 vols. Svo.in 1, handsomely 



bound in hf. pigskin, cl. sides (nice copy), 7s (p. M. 10 sewn) ibidem, 1893-8 



16011 Another Copy (Bd. I. 7. [neueste] Aufiage) ; with \Zo diagrams, 2 vols. 8vo. in 1, hf. 



black morocco, cl. sides (as good as neiv), 8s (p. M. 10 sewn) ib., 1904-1898 



16012 FOUET (^douard A., Institut Catholique, Paris) Lecons ^L^MENTAIRES sur la Theorie des 

 FONCTIONS Analytiques, 2« [derniere] Edition, entierement refondue ; urith 31 diagrams, 2 vols, 

 roy. Svo. in 1, handsomely bound in hf. pigskin, cl. sides, uncut, t. e. g. (fine copy), 14s 1907-9 



This copy has bound up with it a copy of Vol. II. of the first edition (now out of print and scarce), containing 

 ' Theor^mos d'Existence ; Etude des Fonctions analytiques au Point de Vue de Cauchy, Weierstrass et Riemann', which 

 are not included in the second edition. 



16013 FOTJRREY (E.) CuRiosiT^s G6om6triques, 2e [derniere] Edition ; vnth 473 illustrations, 

 8vo. buckram, 3s 6c? (p. F. 7 nett) s. a. 



16014 RECREATIONS ARlTHMfiTiQUES, 2fi ifcdition ; with illustrations t Svo. buckram, 3s 1904 



16015 FREGE (Gottlob, Univ. Jena) Grundgesetze der Arithmetik, begriffsschriftlich 

 abgeleitet, 2 vols. roy. 8vo. in 1, hf. black morocco neat, cl. sides, t. e. g. (as good as new), 17s 6c? 

 (p. M. 24 sewn) Jena, 1893-1903 



* Man findet in dieseni Buche Lehrsiitze, auf denen die Arithmetik beruht, mit Zeichen be\yiesen, deren Ganzes ich 

 Begriffsschrift nenne. Die wichtigsten^dieser Siitze sind am Ende zum Teil mit angefiigter Ubersetzung zusaramen- 

 gestellt '— Forworf. 



53 



