HKNRY SOTHERAN & CO., 140, STRAND, W.C., AND 43, PICCADILLY, W. 839 

 Mathematics, continued . — 



16769 WEIOHOLD (G.) Lehrbuch der Determinanten und deren Anwendungen, I. [einziger] 

 Teil, roy. 8vo. buckram, 6s Qd (p. M. 10 sewn) Bremerhaven [Ib93] 



16770 Another Copy, hf. cL, 5s Stuttgart, 1893 



16771 WEITZEL (C. G.) Unterrichtsbriefe fUr die Buchstabenrechnung und Algebra, sowie 

 fiir ebene Geometrie (Planimetrie) und Anwendung der Algebra auf Geometrie, in Gespriichs- 

 form zum Selbstunterrichte, 2 vols. roy. 8vo. in 1, hf. black morocco neat, cl. sides, 10s 6d 

 (p. M. 15 sewn) Wien [1910] 



16772 fiir die hohere Mathematik (Analysis, analytische Geometrie, Differential- 



und Integralreclinung) in Gespriichsform zum Selbstunterrichte ; with diagrams, roy. 8vo. 

 hf. black morocco neat, cl. sides, 6s (p. M. 7. 50 sewn) ibidem [1914] 



10773 WEITZENBOCK (Roland) Komplex-Symbolik : eine Einfiihrung in die analytische 

 Geometrie mehrdimensionaler Riiume, or. Svo. cl., 3s (p. M. 4.80) Leipzig, 1908 



16774 WELD (Laenas Qiflford, Univ. Iowa) Short Course of the Theory of Determinants, 

 3rd Edition, post Svo. buckram, 5s (p. 8* nett) New York, 1903 



16775 WENCK (Julius) Die Grundlehren der HOHEREN Analysis; with 140 diagrams, 8vo. 

 buckram (title soiled), 3s Qd (p. M. 6 sewn) Leipzig, 1872 



16776 WERTHEIM (Gustav) Anfangsgrunde der Zahlenlehre ; with portraits of Fermat, 

 Lagrange, Euler, and Gauss, 8vo. buckram, 6s 6d (p. M. 9 sewn) Braunschweig, 1902 



10777 Another Copy, hf. black morocco neat, cl. sides (fine copy). Is Qd 



16778 Elemente der Zahlentheorie, Svo. buckram, 5s (p. M. 8.40 sewn) Leipzig^ 1887 



16779 Another Copy, hf calf, 5s Qd 



16780 WHITEHEAD (Alfred North, f.r.s. ; Prof. Applied Mathematics, Impl. Coll. Science) The 

 Axioms of Projective and Descriptive Geometry, with diagrams, 2 vols. Svo. sewn, 3s 6d 

 (p. 5* nett) Unit). Press, Cambridge, 1906-7 



16781 Treatise on Universal Algebra, with Applications, Vol. I (all published), with 



diagrams, large roy. Svo. cl., uncut, lis (p. £1. 1* nett) apud eandem, ibidem, 1898 



Aq iinportaut work on the foundations of mathematics, containing i. a. an extension of non-Enclidean geometry. 



16782 , and the Hon. Bertrand Arthur William RUSSELL, f.r.s. : Principia Mathe- 



MATICA, 3 vols, large roy. Svo. cl., £2. 15s (p. £3. 16s nett) a. e., ib., 1910-13 



• V. Russell, ante. 



16783 WHITTAKER (Edmund Taylor; f.r.s.; Prof. Mathematics, Edin.) Course of Modern 

 Analysis : an introduction to the General Theory of Intinite Series and of Analytic Functions ; 

 with Account of the principal Transcendental Functions, large roy. Svo. buckram, uncut, t. e. g., 

 6s 6d (p. 12.9 6d nett) Univ. Press, Cambridge, 1902 



16784 WHITWORTH (William Allen, Vicar of All Saints', Margaret St.) Choice and Chance : 

 an elementary Treatise on Permutations, Combinations, and Probability, with 640 Exercises ; 

 4th Edition, enlarged, cr. Svo. cl., 3s (p. 7^ 6c?) Cambridge, 1886 



16785 Fifth [latest] Edition, much enlarged, with 1000 Exercises, cr. Svo. buckram, i.e. g., 



4* (p. 7s 6d) ibidem, 1901 



16786 DCC Exercises, including Hints for the Solution of all the Questions in 'Choice and 



Chance,' post Svo. red buckram, 3s 6d (p. 6s) ib., 1897 



16787 Trilinear Coordinates, and other Methods of Modern Analytical Geometry of Two 



Dimensions, with diagrams, Svo. cl., or, buckram, 5s (p. 16s) ib., 1866 



Thoui^'li Catholicminded people are intellectually wretched cretins, Prebendary Allen Whitworth must have had some 

 brains once upon a time. 



16788 WIELEITNER (Heinrich) Geschichte der Mathematik, von Cartesius bis zur Wende 

 des 18. Jahrhunderts, 1. Hiilfte (soweit erschienen) : Arithmetik, Algebra, Analysis, bearbeitet 

 unter Benutzung des Nachlasses von ANTON V. Braumuhl ; with 6 diagrams, large cr. Svo. cl., 

 As (p. M. 6.50) Leipzig, 1911 



V. GiJNTHER, ante. 



16789 Spezielle ebene Kurven ; loith 189 diagrams, large cr. Svo. cl., Is 6d (p. M. 12) 



ibidem, 1908 



16790 TheoRIE der EBENEN ALGEBRAISCHEN Kurven HOHEREE Ordnung ; with 82 illustra- 

 tions, large cr. Svo. cl., 6s (p. M. 10) ib., 1905 



16791 WIENER (Christian, Technische Hochschule, Karlsruhe) Lehrbuch der darstellenden 

 Geometrie ; with numerous illustrations, 2 vols, large Svo. original hf morocco (as good as new), 

 £1. Is (p. M. 34) Leipzig, 1884 \_fs. 1906] -1887 



1G792 WILCZYNSKI (Ernest Julius; Univ. Chicago) Projective Differential Geometry of 

 Curves and Ruled Surfaces, large Svo. d., 6s6d (p. M. 10) Leipzig, 1906 



16793 WILLIAMSON (Benjamin, t.c.d., f.r.s.) Elementary Treatise on the Differential 

 Calculus, containing the Theory of Plane Curves, with numerous Examples, 9th Edition, 



revised, with diagrams : on the Integral Calculus, containing Applications to 



Plane Curves and Surfaces, and Chapters on the Calculus of Variations, with numerous 

 Examples, 8th Edition, enlarged, with diagrams — 2 vols. cr. Svo. in 1, handsomely bound in hf. 

 pigskin, cl. sides, t. e. g. (nice copies), 13s (p. £1. 1* in cl.) 1899-1908 



16794 — Elementary Treatise on the Integral Calculus, with numerous Examples; 8th 



Edition, enlarged, with diagrams, post Svo. buckram, 6s (p. 10* 6d) 1906 



55 * 



