3010 Intensity 



theory. Meisel, F. Exner Epm. 26 (1890) 



58-. 

 . Mancini, E. N. Antol. Sc. 147 (1896) 



138-. 

 of towns. Darcel, . A. Pon. Chauss. 15 



(1878) 449-. 



transparent and opaque bodies. Lallemand, 

 A. C. E. 78 (1874) 1272- ; A. C. 8 (1876) 

 93-. 



use of mirrors and lenses. Kallenberg, O. 

 Cztg. Opt. 17 (1896) 91-, 111-, 123-. 



Images, brightness, determination. Ho-towinski, 



A. Prace Mt.-Fiz. 1 (1888) 69-. 

 , , general laws. Everett, J. D. Ph. Mg. 



25 (1888) 216-. 



INTENSITY. 



and consumption of ordinary sources of light. 



Heim, . [1888] Tel. E. J. 17 (1889) 



246-. 

 of daylight, compared with artificial light. 



Lundberg, I. [1876] (xn) Ups. Lak. F. 12 



(1877) 252-. 



in dwelling rooms, measurement. 

 Boubnoff, S. Arch. Hyg. 17 (1893) 49-. 



, measurement. Gezechus [Hesehus] , N. 



Bs. Ps.-C. S. J. 29 (Ps.) (1897) 118- ; J. de 



Ps. 7 (1898) 672. 

 , . Vogel, H. W. A. Ps. C. 61 (1897) 



408-. 

 , , application to physiological researches 



on plants. Kreusler, G. A. E. W. U. (xn) 



Lndw. Jb. 7 (1878) 565-. 

 , , simple method. Wright, E. J. E. 



S. P. 16 (1868) 525-. 

 definition in theories of light and sound. 



Moon, E. Ph. Mg. 44 (1872) 304- ; 45 



(1873) 38-, 361-. 

 of diffused daylight. Weber, L. A. Ps. C. 26 



(1885) 374- ; Met. Z. 2 (1885) 163-, 219-, 451-. 

 solar light. Provenzali, F. S. Em. N. 



Line. At. 45 (1892) 29-. 



light. Giulio, C. I. [1852] Tor. Mm. Ac. 

 13 (1853) 359-. 



. Hudson, H. Ph. Mg. 45 (1873) 160, 



359-. 

 . Moutier, J. Par. EC. Pol. J. 59 (1889) 



77-. 



on curved surfaces. Kammerer, F. 

 Wien SB. 46 (Ab. 2) (1863) 405-. 



, formulae for calculating. Maccullagh, J. 



C. E. 8 (1839) 961-. 

 , (Maccullagh). Cauchy, A. L. 



C. E. 8 (1839) 964-. 

 of high 



pansion of chlorine. 



S. P. 11 (1892) 185- ; Ph. Mg. 32 (1891) 



277-. 

 different kinds. Eutter, J. 0. N. 



Dingier 53 (1834) 181-. 

 , law of inverse squares. Carstadt, (Dr.) . 



A. Ps. C. 150 (1873) 551-. 



, measurement. Peclet, E. Erdm. J. 

 Tech. C. 1 (1828) 166-. 



, . Crookes, W. [1868] E. S. P. 17 



(1869) 358-. 



refrangibility, measured by ex- 

 ilorine. Eichardson, A. L. Ps. 



Brightness 3010 



of light, measurement. Bosanquet, E. H. M. 

 Ph. Mg. 45 (1873) 215-. 



passed through absorbing media. 

 Bottomley, J. [1881-82] Manch. Lt. Ph. S. 

 Mm. 8 (1884) 1-, 198-, 202-. 



, relation to quantity of gas burnt, 

 Fanner's theorem. Silliman, B. (jun.) Am. 

 As. P. 18 (1869) 149-. 



, , . Stimpson, 



F. E. Am. As. P. 19 (1870) 118- ; Am. J. 

 Sc. 50 (1870) 372-. 



, . (Stimpson). 



Silliman, B. (jun.) Am. J. Sc. 50 (1870) 



377-. 

 sources (artificial). Weber, L. Elekttech. 



Z. 6 (1885) 55-. 



. Dieudonne, E. Lum. Elect. 26 

 (1887) 219-. 



. Wedding, W. Elekttech. Z. 16 



(1895) 554-. 

 . Blondel, A., & Eey, J. C. E. 126 



(1898) 404-. 

 . Jenko, P. A. Ps. C. 66 (1898) 



1182-. 



, direct measurement. Blondel, A. 

 C. E. 120 (1895) 550- ; Eclair. Elect. 2 

 (1895) 385-; 3 (1895) 57-, 406-, 538-, 583-; 

 8 (1896) 49-. 



, Talbot's law, proof. Brodhun, E., <& 

 Lummer, O. Berl. Ps. Gs. Vh. (1890) 92-. 



, transformation of variations. Dussaud, 



. C. E. 127 (1898) 417-. 

 lines of central illumination, construction. 



Hoza, F. Arch. Mth. Ps. 55 (1873) 319-. 



, differential equation. Hoza, F. 

 Arch. Mth. Ps. 54 (1872) 164-. 



on ellipsoid, construction by spherical scale. 

 Koutny, E. Arch. Mth. Ps. 46 (1866) 49-. 



of equal. Burmester, L. Z. Mth. Ps. 13 

 (1868) 227- ; 14 (1869) 310-. 



hyperbolic paraboloid for parallel illu- 

 mination. Hoza, F. Arch. Mth. Ps. 54 

 (1872) 167-. 



parallel illumination, differential equa- 

 tion. Hoza,F. Arch. Mth. Ps. 54 (1872)165-. 



of luminous phenomena. Eeichenbach, C. 

 (Frhr.) von. Pogg. A. 112 (1861) 459-. 



sun, moon, sky, and artificial lights. 

 Thomson, (Sir) W. [1882] Glasg. Ph. S. 

 P. 14 (1883) 80-. 



Lamprotometer. Poggendorff, J. C. Pogg. A. 

 29 (1833) 484-. 



Luminosity problem, spherical nebula of con- 

 centric shells. Tait, P. G. QJ. Mth. 3 

 (1860) 364-. 



Luminous objects, brightness. Schulten, N. G. 

 af (fil.). Helsingf. Acta 1 (1840) 505-. 



Measurement of brightness. Wiener, . 

 [1892] Karlsruhe Nt. Vr. Vh. 11 (1896) 

 (Sb.) 184-. 



in optical instruments. Abbe, (Dr.) E. 

 Jena. Z. 6 (1871) 263-. 



Photoelectric comparison of intensity of light. 

 Elster, J., & Geitel, H. A. Ps. C. 48 (1893) 

 625-. 



measurement of starlight. Minchin, G. M. 

 Nt. 52 (1895) 246-. 



278 



