3100 Heterogeneous Media 



stereoscopic, Zeiss's. Pulfrich, C. [1899] Ps. 



Z. 1 (1900) 98-. 



, . Frank, K. Cztg. Opt. 21 (1900) 13-. 



theory. Lorber, F. Z. Instk. 7 (1887) 89-. 



. Goedseels, . 

 (Pt. 1) 110-. 



Brux. S. Sc. A. 21 (1897) 



Telemetrical spherometer and focometer. 



Stroud, W. [1897] L. Ps. S. P. 16 (1899) 



1-, 206; Ph. Mg. 45 (1898) 91-. 

 Telestereoscope. Helmholtz, H. Pogg. A. 101 



(1857) 494-; 102 (1857) 167-. 

 Testing cannon, optical method. Jobin, . 



Par. S. Ps. Se. (1897) 9*-. 

 Total reflection method, application to micro- 

 metric measurement of dispersion. Pulfrich, 



C. Z. Instk. 13 (1893) 267-. 

 , small and imperfect crystal 



faces. Pulfrich ,C. Z. Instk. 19 (1899) 4-, 79-. 

 , (Pulfrich). 



Leiss, C. Z. Instk. 19 (1899) 77-. 

 Typoscope. Emsmann, H. Pogg. A. 115 



(1862) 157-. 

 Universal optical apparatus. Rosenberg, V. L. 



Es. Ps.-C. S. J. 18 (Ps.) (1886) 168- ; Z. 



Instk. 7 (1887) 323-. 

 Vertical vibration, arrangement for avoiding. 



Julius, W. H. [1897] Z. Instk. 18 (1898) 86-. 

 Zoetrope and its antecedents. Carpenter, W. 



B. Stud. 1 (1868) 427- ; 2 (1869) 24-. 



3100 Transmission through 

 Heterogeneous Media. 



(See also 3210.) 



Curvature of path of ray, free paths. Everett, 



J. D. B. A. Ep. (1889) 498-. 

 Curvilinear rays, application to diffusion and 



conduction. Wiener, 0. A. Ps. C. 49 



(1893) 105-. 

 , Maxwell's problem. Matthiessen, L. 



Exner Epm. 24 (1888) 401-. 

 Heterogeneous cylinders, law of refraction. 



Schwarz, A. Exner Epm. 21 (1885) 702-. 



glass, effects. Laurent, L. Par. S. Ps. 

 Se. (1886) 114-. 



lenses, formula. Exner, K. A. Ps. C. 28 

 (1886) 111-; 29 (1886) 484-. 



liquid, refractive index. Littlewood, T. H. 

 L. Ps. S. P. 13 (1895) 74-; Ph. Mg. 37 (1894) 

 467-. 



medium, isotropic, principle of least tune. 

 Boussinesq, J. C. E. 129 (1899) 905-. 



, , propagation of parallel limited 

 beam. Boussinesq, J. C. E. 129 (1899) 859-. 



, , wave-propagation. Bvussinesq, J. 



C. E. 129 (1899) 794-. 



, transparent, movement of light in. 



Gergonne, J. D. Gergonne A. Mth. 19 

 (1828-29) 257-. 



, wave-propagation. Breton, P. [1869] 



(xn) Isere S. fill. 2 (1870) 83-. 



Light penetration in Lake of Geneva and Medi- 

 terranean. Forel, F. A. Sch. Nf. Gs. Vh. 

 (1884-85) 55. 



Spectrum Apparatus 3150 



SPECTRUM ANALYSIS, APPARATUS 

 FOR. 



3150 General. 



Cylindrical lenses in spectroscopy. Schimn, L. 

 [1871] A. Ps. C. 144 (1872) 334-. 



Fluor-spar, use in optical instruments. Thomp- 

 son, S. P. [1890] Ph. Mg. 31 (1891) 120-. 



Graduated arc in spectrum analysis, and dis- 

 tortion of spectrum. Wilson, J. M. Ph. 

 Mg. 22 (1861) 364-. 



Liquids of great dispersive power, use. Zenger, 

 C. V. C. E. 100 (1885) 731-. 



Luminous radiations, analysis. Thirion, J. 

 Ev. Quest. Sc. 43 (1898) 524-; 44 (1898) 140-, 

 488-. 



Optical notes. Talbot, W. H. F. (vi Adds.) 

 Ph. Mg. 4 (1834) 112-, 289-. 



Eeflectors in spectroscopy. Fleck? H. J. Pr. 

 C. Ill (1871) 352-. 



Spectra, bands in, measurement of position. 

 Sorby, H. C. M. Mcr. J. 14 (1875) 269-. 



, compared, elimination of errors of adjust- 

 ment for. Stokes, (Sir) G. G. E. S. P. 31 

 (1881) 470-. 



, graphic method of drawing. Dodgson, W. 

 [1876] Manch. Lt. Ph. S. Mm. 6 (1879) 20-. 



of metals, new method for mapping. Crew, 

 H., <& Tatnall, E. As. & Asps. 13 (1894) 

 741-. 



, projection. Cooke, J. P. Am. J. 



Sc. 40 (1865) 243-. 

 , , modification of electric lamp. 



Bickerton, A. W. N. Z. L T. 7 (1874) 403. 

 , , objective. Edelmann, T. D. Nf. 



Tbl. (*1872) 114. 

 , , and reversal. Boudreaux, . 



Par. S. Ps. Se. (1874) 101-. 

 , methods of observing and mapping. Watts, 



W. M. B. A. Ep. (1881) 317-. 

 , prismatic and diffraction-, projection of 



Fraunhofer lines. Draper, J. C. Am. J. 



Sc. 9 (1875) 22-. 

 , , method of measuring. Edser, E., & 



Butler, C. P. L. Ps. S. P. 16 (1899) 207- ; 



Ph. Mg. 46 (1898) 207-. 

 , production and observation. Prytz, K. 



Ts. Ps. C. 29 (1890) 245-. 



by projection. Janssen, J. Em. At. 16 

 (1862-63) 482-. 



, projection, apparatus for. Pellin, . Par. 



S. Ps. Se. (1888) 305. 

 , , best arrangement for. Maxwell, J. C. 



[1868] Edinb. E. S. P. 6 (1869) 238-. 

 , , objective. Bode, P. Frkf. a. M. Ps. 



Vr. Jbr. (1891-92) 29-. 

 , spark-, of solutions, discharger for. Dennis, 



L. M. Am. C. S. J. 20 (1898) 1-. 

 Spectrograph with concave mirror. Ebert, H. 



Erlang. Ps. Md. S. Sb. 21 (1890) 1-. 

 liquid prism. Lohse, O. Z. Instk. 5 



(1885) 11-. 

 Spectrographs, construction and adjustment. 



Hartmann, J. Z. Instk. 20 (1900) 17-, 47-. 

 , 2 forms. Ebert, H. A. Ps. C. 38 (1889) 489-. 



342 



