3070 Aberration 



Surface reflecting rays from point parallel to 



plane and through line perpendicular to 



plane. Fleitcher, J. S. Ts. Mth. 4 (1886) 



164- ; Fschr. Ps. (1886) (Ab. 2) 28. 

 , spherical, separating two different refracting 



media, corresponding points on the central 



and centric planes. Govi, . Bm. B. Ac. 



Line. Bd. 5 (1889) (Sen. 1) 307-. 

 Surfaces, convex, indicatrix and mean curva- 

 ture. Faye, H. A. E. C. B. 92 (1881) 



1019-. 

 , half-round and other curved, cutting. 



Robison. (Sir) J. [1842] Edinb. N. Ph. J. 



36 (1844) 86-. 

 , optical, processes for finding configuration. 



Foucault, L. As. S. M. Not. 19 (1859) 



283-. 

 of revolution, application of stereographic 



projection to construction of isophotes. 



Morawetz, J. Z. Mth. Ps. 28 (1883) 247-. 

 Systems of mirrors and lenses. Grunert, 



J. A. Arch. Mth. Ps. 47 (1867) 84-. 

 Telescopic mirrors and lenses, apparatus for 



grinding. Cecil, W. [1822] Camb. Ph. S. 



T. 2 (1827) 85-. 

 Theory of mirrors and lenses, demonstration. 



Mensbrugghe, G. van der. Brux. S. Sc. A. 



16 (1892) (Ft. 1) 62-. 

 -.general. Biot, J. B. C. B. 19 



(1844) 495-. 



3070 Aberrations, Spherical and 

 Chromatic. Distortion, etc. 

 Achromatism. 



ABEBBATION. 



of cemented achromatic lenses. Goddard, J. T. 



Phi. S. J. 5 (1859) 237-. 

 chromatic. Kerber, A. Cztg. Opt. 8 (1887) 



97. 



Achromatism 3070 



of parabolic mirrors. Poor, C. L. Asps. J. 7 



(1898) 114-. 

 positive and negative. Royston-Pigott, G. W. 



M. Mcr. J. 7 (1872) 136-. 

 residuary, in microscopes and telescopes, 



circular solar spectra applied to test; 



and construction of compensating eyepiece. 



Royston-Pigott, G. W. B. S. P. 21 (1873) 426-. 

 spherical. Geisenheimer, L. Z. Mth. Ps. 17 



(1872) 387-. 

 and chromatic. Hansen, P. A. Leip. Mth. 



Ps. Ab. 10 (1874) 693-. 

 , of eccentric pencils. Royston-Pigott, 



G. W. M. Mcr. J. 15 (1876) 128-. 

 , identity. Royston-Pigott, G. W. 



M. Mcr. J. 14 (1875) 232-, 282-. 

 , of objectives, determination. Leroy, 



C. J. A. C. B. 109 (1889) 857-. 

 , telescope objectives. Steinheil, R. 



Z. Instk. 19 (1899) 177-. 

 , colour for which it is corrected. Kerber, 



A. Cztg. Opt. 8 (1887) 49. 

 , of diamond lens. Pritchard, A. Edinb. 



J. Sc. 2 (1830) 317-. 

 , investigation by means of interference. 



Schroder, H. Pogg. A. 113 (1861) 502-. 

 , lenses without. Graffweg, W. Z. Mth. 



Ps. 15 (1870) 311-. 

 , of lenses and dioptric systems. Ferrini, R. 



Mil. I. Lomb. Bd. 13 (1880) 283-, 361-. 

 , , measurement. Ghijben, J. B. 



Amst. Vs. Ak. 6 (1857) 271-. 

 of spherical mirrors, geometrical study. Lugol, 



P. J. de Ps. 5 (1896) 163-. 

 spherical, position and size of distinct image of 



point. Kerber, A. Cztg. Opt. 10 (1889) 



147-, 157-, 169-, 182-. 

 , of system of microscope lenses, approximate 



determination. Grubb, T. Ir. Ac. P. 6 



(1853-54) 59-. 

 , , simultaneous correction. 



Kerber, A. Cztg. Opt. 11 (1890) 217-. 

 , telescope objectives especially. Hoegh, 



E. von. Z. Instk. 8 (1888) 117-. 



, of achromatic objectives, determination. _, (Hoegh). Czapski, S. Z. Instk. 



Wolf, M. A. Ps. C. 33 (1888) 212-. 

 , secondary, of telescope. Hastings, C. S. 



Am. J. Sc. 37 (1889) 291-. 

 , , , Hastings's method. Czapski, S. 



Z. Instk. 9 (1889) 250-. 

 , of telescope and eye. Strchl, K. Z. Instk. 



17 (1897) 77-, 128. 

 instrumental. Strehl, K. Z. Instk. 17 (1897) 



301-. 

 of lenses. Walker, Ez. Nicholson J. 11 (1805) 



159-. 

 . Loremoni, G. As. Nr. 78 (1872) 289-, 



349-. 

 minimum, of single lens for parallel rays. 



Rayleigh, (Lord). Camb. Ph. S. P. 3 (1880) 



373-. 

 monochromatic, general theory, and results for 



ophthalmology. Gullstrand, A. [1900] Ups. 



S. Sc. N. Acta 20 (1904) No. 4, 204 pp. 

 of objectives, elimination (Euler). Goring, 



C. R. Edinb. J. Sc. 5 (1831) 238-. 

 oblique, of lenses. Bridge, J. Ph. Mg. 9 



(1855) 342-. 



8 (1888) 203-. 

 , in telescopes of Gregory and Cassegrain. 



Naccari, A., <& Battelli, A. Tor. Ac. Sc. 



At. 20 (1885) 862-. 

 , of wide-angled objectives, improvement of 



correction for. Abbe, E. Mcr. S. J. 2 (1879) 



812-. 

 in telescopes. Strehl, K. Z. Instk. 15 (1895) 



362-. 

 theory. M., H. (vi Adds.) J. Mcr. Sc. 8 



(1860) 21-. 



ACHBOMATISM. 



Z. Mth. Ps. 29 (1884) 1-, 73. 

 Wien Ak. Sb. 100 (1891) (Ab. 2a) 



Kessler, F. 

 Pitsch, H. 



1105-. 



Strehl, K. Cztg. Opt. 18 (1897) 91-. 

 Achromatic doublets and triplets. Nelson, 



E. M. Mcr. S. J. (1898) 149-. 

 lenses, calculation, grinding and centering. 



Korner, F. Kastner Arch. Ntl. 7 (1826) 233-; 



11 (1827) 318-. 



306 



