6840 Anharmonic Ratio 



Anharmonic ratio sextic of pair of conies. 

 Walker, J. J. QJ. Mth. 10 (1870) 162-. 



and sine generalisations. Folie, F., & 

 Le Paige, C. Brux. Ac. Bll. 48 (1879) 41-. 



ratios of m points in plane. Mobius, A. F. 

 Leip. B. (1853) 14-. 



Doubly anharmonic relation. Battaglini, G. 



G. Mt. 1 (1863) 321-. 

 Equi-anharmonic range, construction. Schroeter, 



H. E. Mth. A. 10 (1876) 420-. 



ranges, upon 2 straight lines, theorems. 

 SpottisiKoode, W. Camb. and Dubl. Mth. J. 



8 (1853) 103-. 



relations. Battaglini, G. Nap. Ed. 2 

 (1863) 88-. 



Geometrography, application of. Lemoine, E. 



As. Fr. C. E. (1894) (Pt. 2) 55-. 

 Notation. Johnson, W. W. Des Moines Anal. 



9 (1882) 185- ; 10 (1883) 76-. 



Pencil of 5 straight lines in space, anharmonic 

 ratio. Merrifield, C. W. Mess. Mth. 5 

 (1876) 94-. 



Pencils of straight lines, anharmonic properties. 

 Terquem, 0. N. A. Mth. 12 (1853) 90-. 



Problem. Baltrusch, S. E. Grunert Arch. 16 



(1851) 245-. 



. Ponte Horta, F. da. [1881] Lisb. J. Sc. 



Mth. 8 (1882) 137-. 

 Projective ranges. Jacobi, [A. non] C. G. J. 



Crelle J. 31 (1846) 40-, 93-. 

 , construction. Sacheri, G. [1873] (xi) 



Tor. Ac. Sc. At. 9 (1873-74) 76-. 

 , theorem. Pasch, M. Crelle J. Mth. 91 



(1881) 349- ; Z. Mth. Ps. 27 (1882) 124-. 

 Eange of points in a straight line. Eetali, V. 



[1882] Bologna Ed. (1883) 38-. 

 Eelation of 1st degree. Battaglini, G. Nap. 



Ed. 2 (1863) 122-. 

 von Staudt's casts (Wiirfe), theory. Sturm, E. 



Mth. A. 9 (1876) 333-. 

 (),. Schroder, E. Mth. A. 10 



(1876) 289-. 

 ( ), , and its extension. Lilroth, 



J. Gott. Nr. (1873) 767-. 

 (-),, . Kohn, G. [1894] 



Mth. A. 46 (1895) 285-. 

 ( ), , , and imaginaries in 



geometry. Lilroth, J. [1874-76] Mth. A. 8 



(1875) 145- ; 11 (1877) 84-. 

 Theorem. Liouville, J. Liouv. J. Mth. 17 



(1852) 391-. 



of higher geometry. Tsinger, V. Y. [1869] 

 (xn) Eec. Mth. (Moscou) 4 (1869-70) (Pt. 2) 



Lie. Nazimov, P. Kazan S. Ps.-Mth. 



Bll. 7 (1898) 92-. 

 Theorems, extension. Heis,E. Grunert Arch. 



31 (1858) 39-. 



Axonometry. 

 Schlomilch, 0. Giving. 2 (1856) 196- ; 5 (1859) 



Weislach, J. Giving. 2 (1856) 236- ; 3 (1857) 



61-, 102-. 



Mann, F. Schlomilch Z. 4 (1859) 284-. 

 Schlomilch, 0. Schlomilch Z. 4 (1859) 361-. 



Axonometry 6840 



Vecchi, S. II Polit. 18 (1870) 857- ; 19 (1871) 

 466-, 541-, 592-, 717- ; 20 (1872) 98-, 216-. 



Eeis, J. Forster Al. Bauztg. 37 (1872) 69-. 



Hauck, G. Z. Mth. Ps. 21 (1876) 81-. 



Seidelin, C. N. Ts. Mth. 1 (B) (1890) 49-. 



Sobotka, J. Prag Sb. (1900) (Mth.-Nt.) No. 33, 

 20pp. 



Angles, locus of planes on which projection is 

 constant. Delarive, L. [1882] Gen. S. Ps. 

 Mm. 28 (1883-84) No. 2, 76 pp. 



Axes of affinity, application to graphic deter- 

 mination of plane. Fiedler, W. Schlomilch 

 Z. 6 (1861) 76-. 



projections of circle, direct determination. 



Morstadt, E. Wien Ak. Sb. 56 (1867) (Ab. 2) 

 92-. 



Axis of homology of triangle and its Brocard's 

 triangle. Tarry, G. Mathesis 15 (1895) 5-. 



Change of coordinate planes. N., F. G. Mt. 

 12 (1874) 154-. 



Clinogonal representation of surfaces of revolu- 

 tion. Pelz, C. Prag Sb. (1895) (Mth.-Nt.) 

 No. 7, 15 pp. 



Clinographic parallel perspective, graphic solu- 

 tion. Koutny, E. Giving. 18 (1872) 265-. 



Drawing and axonometry, geometrical princi- 

 ples. Sella, O. Arch. Mth. Ps. 43 (1865) 

 245-. 



Oblique free projection. Peschka, G. A. von. 

 Wien Ak. Sb. 75 (1877) (Ab. 2) 917-. 



and orthogonal parallel projection. Neelsen, 

 C. Giving. 14 (1868) 461-. 



projection, identity of constructions. 



Staudigl, E. Wien Sb. 64 (1871) (Ab. 2) 

 490-. 



parallel projection. Burmester,L. Z. Mth. 

 Ps. 16 (1871) 449-. 



projections. Deschwanden, J. W. von. 

 Ziir. Vjschr. 6 (1861) 254-; 7 (1862) 159-. 



Orthogonal axonometric foreshortened circle. 

 Tesaf , J. Wien Ak. Sb. 81 (1880) (A b. 2) 453-. 



axonometry. Streissler, J. Arch. Mth. Ps. 

 65 (1880) 208-. 



, scientific treatment. Pelz, C. Wien 

 Ak. Sb. 81 (1880) (Ab. 2) 300- ; 83 (1881) 

 (Ab.2) 375- ; Prag Sb. (1885) (Mth.-Nt.) 648-. 



projection, axonometry as. Weiler, A. Z. 

 Mth. Ps. 33 (1888) 257-. 



on two planes not at right angles as founda- 

 tion for perspective. Skuhersky, E. [1858] 

 Bohm. Gs. Ab. 10 (1859) 51-. 



projections. Maszkowski, K. Par. T. 



Nauk Sc. Pam. 5 (*1874) Art. 1, 38pp. 

 in metric-projective geometry. Ovidio, 



E. d\ Tor. Ac. Sc. At. 11 (1875-76) 830-. 

 Pohlke's theorem. Schwarz, H. A. [1863] 



(vm) Crelle J. 63 (1864) 309-. 

 . Deschwanden, J. W. von. Ziir. Vjschr. 



10 (1865) 384-. 



. Eeye, T. Ziir. Vjschr. 11 (1866) 350-. 



. Pelz, C. [1877] Wien Ak. Sb. 76 



(1878) (Ab. 2) 123-. 

 . Peschka, G. A. von. [1878] Wien Ak. 



Sb. 78 (1879) (Ab. 2) 1043-. 



. Schur, F. Mth. A. 25 (1885) 596-. 



. Mandl, J. Wien Ak. Sb. 94 (1887) 



(Ab. 2) 60-. 



473 



