7240 



Quadric Surfaces 



Axes 7240 



Pencils of conies, loci of centres. Hunyady, J. 



(XH) Mth. Term. Ets. 1 (1883) 205- ; Mth. 



Nt. B. Ung. 1 (1882-83) 183-. 

 , 2, conies as 2 . 2 relation of. Janisch, E. 



Mh. Mth. Ps. 11 (1900) 170-. 

 Polar conies. Rubini, R. N. A. Mth. 14 



(1855) 237-. 



correspondence between conies as envelopes 

 and as loci, denned by plane quartic. Ciani, 

 E. Em. E. Ac. Line. Ed. 4 (1895) (Sem. 2) 

 274-. 



reciprocal conies in systems of conies. 

 Crocchi, L. [1875] G. Mt. 14 (1876) 83-. 



Properties. .Chasles, M. C. E. 59 (1864) 93-. 

 Quadrilateral and systems of conies. Klug, L. 



Arch. Mth. Ps. 1 (1884) 304-. 

 Similar conies. Weyr, E. Wien Sb. 62 (1870) 



(Ab. 2) 261-. 

 , theorem. Terquem, O. N. A. Mth. 



2 (1843) 268-. 

 Singularities. Igel, B. Wien Ak. Sb. 75 



(1877) {Ab. 2) 445-. 

 System. Mahler, E. [1881] Arch. Mth. Ps. 



. Battaglini, G. G. Mt. 30 (1892) 287-. 



inscribed to conic, and touching 3 inscribed 

 conies. Casey, J. [1866] Ir. Ac. P. 9 (1867) 

 396-. 



Systems cutting given conies at given angles, 



etc. Chasles, M. C. E. 58 (1864) 425-. 

 projective with one another, and their 



generation. Mahler, E. Arch. Mth. Ps. 



66 (1881) 358-. 

 Theorems on conies, circles, and confocal 



conies. Steiner, J. Crelle J. 66 (1866) 



237-. 

 2 conies and Salmon's conic F. Ferrers, N. M. 



QJ. Mth. 7 (1866) 20-. 



4 conies inscribed in same conic and passing 

 through 3 points. Cayley, A. [1863] (vn) 

 Ph. Mg. 27 (1864) 42-. 



, system of, property. Woepcke, F. 

 Liouv. J. Mth. 19 (1854) 345-. 



5 conies and 5 straight lines anharmonically 

 corresponding. Jonquieres, E. de. N. A. 

 Mth. 15 (1856) 369-. 



7240 Metrical and projective pro- 

 perties of quadric surfaces. 



Livet, . -Par. EC. Pol. Cor. 1 (1804-08) 28-. 

 Poisson, S. D. Par. EC. Pol. Cor. 1 (1804-08) 



Brianchon, C. J. Par. EC. Pol. J. 13 e cah. 



(1806) 297-. 

 Mange, G. Par. EC. Pol. Cor. 2 (1809-13) 



313-. 



Bret, . Gergonne A. Mth. 4 (1813-14) 93-. 

 (Monge's theorems, proof.) Chasles, M. Par. 



EC. Pol. Cor. 3 (1814-16) 328-. 

 Levy, A. Quetelet Cor. Mth. 4 (1828) 18-. 

 Bobillier, . Quetelet Cor. Mth. 4 (1828) 



27-. 

 Chasles, M. Quetelet Cor. Mth. 4 (1828) 294-; 



5 (1829) 173- ; 6 (1830) 272-, 312- ; 10 (1838) 





Hesse, L. 0. [1837] Crelle J. 18 (1838) 101-. 

 Chelini, D. G. Arcad. 94 (1843) 49-. 

 Grimaldi, F. Nap. Ed. 2 (1843) 169-. 

 Soufflet, . Liouv. J. Mth. 15 (1850) 104-. 

 Marchesano, S. Tortolini A. 3 (1852) 517-. 

 Jouffret, E. N. A. Mth. 15 (1856) 440- . 

 Mention, J. N. A. Mth. 16 (1857) 207-. 

 Berger, . [1858] Mntp. Mm. Ac. 4 (1858-60) 



31-. 

 Fournier-Vannson, . N. A. Mth. 17 (1858) 



334-. 

 Painvin, L. N. A. Mth. 17 (1858) 370-, 403-, 



457-; 18 (1859) 33-, 49-, 89-, 407- ; 19 



(1860) 144- ; 20 (1861) 177-. 

 Meray, C. Tortolini A. 3 (1860) 30-. 

 Brassinne, E. N. A. Mth. 3 (1864) 248-. 

 Grutiert, J. A. Arch. Mth. Ps. 45 (1866) 75-. 

 Hioux, V. N. A. Mth. 16 (1877) 303-. 

 Hunyady, J. (xn) Mag. Tud. Ak. Ets. 13 



(No. 6) (1879) 131- ; Mag. Tud. Ak. Etk. 



(Mth.) 1 (1881) (No. 5) 36 pp. ; (x) Crelle J. 



Mth. 89 (1880) 47-. 

 Le Paige, C. M. M. H. H. Brux. Ac. Bll. 5 



(1883) 618-. 



Biehler, C. N. A. Mth. 8 (1889) 573-. 

 Fleck, (I'abty . Metz Ac. Mm. 68 (1890) 



93-. 

 Aconic function of 6 vectors. Hamilton, (Sir) 



W. R. Ir. Ac. P. 5 (1853) 177-. 

 Analogue of Pappus's theorem relative to sur- 

 faces. Legoux, A. [1882] (xn) Isere S. 



Bll. 13 (1884) 11-. 



in space of Desargues's theorem. Vdlyi, J. 

 Mh. Mth. Ps. 4 (1893) 121-. 



Joachimsthal's circles. Schoute, 

 P. H. Amst. Ak. Vs. 7 (1899) 6-; Amst. 

 Ak. P. 1 (1899) 1-. 



stereographic projection. Mathews, G. B. 



Mess. Mth. 17 (1888) 151-. 

 Analogues of theory of conies. Tmonsend, R. 



[1871] QJ. Mth. 11 (1871) 347-; Mess. Mth. 



1(1872)113-. 

 Anharmonic ratio in which generator of ruled 



quadric cuts tetrahedron. Grave, P. Kazan 



S. Ps.-Mth. Bll. 7 (1898) 79-. 



ratios. Battaglini, G. G. Mt. 12 (1874) 

 266-. 



Axes of Quadric Surfaces. 



Axes, cyclic planes, etc. Painvin, L. N. A. 

 Mth. 13 (1874) 113-. 



obtained by concentric sphere. Housel, . 

 N. A. Mth. 8 (1869) 260-. 



Central projections, axes. Pelz, C. Wien Sb. 

 66 (1872) (Ab. 2) 481-. 



section of ellipsoid, axes. Lacour, . N. 

 A. Mth. 17 (1898) 272-. 



Coaxial quadrics, criterion for. Finger, J. 

 Wien Ak. Sb. 103 (1894) (Ab. 2a) 1061-. 



similar quadrics, constant volume cut off 

 from one, by tangent plane to other. Minich, 

 S. R. A. Sc. Lomb. Ven. 6 (1836) 169-. 



Cones, axes, construction. Solin, J. Prag Sb. 



(1885) (Mth.-Nt.) 164- ; Casopis 16 (1887) 1-; 



Fschr. Mth. (1887) 573-. 

 , , determination. Pelz, C. Wien Ak. Sb. 



92 (1886) (Ab. 2) 410-. 



502 



