4225 Sensitisers 



dyes, action on gelatino-bromide plates. 



Bothamley, C. H. B. A. Ep. (1895) 661-. 

 , . Eberhard, G. Wien Pht. 



Cor. 33 (1896) 116-, 202; 36 (1899) 81-, 



142-. 

 , silver bromide, and their absorption. 



Vogel, H. W. A. Ps. C. 26 (1885) 527-. 



etc., action on silver haloids. Schiendl, C. 

 Wien Pht. Cor. 23 (1886) 263-. 



for orthochromatic plates. Eder, . Wien 

 Pht. Cor. 21 (1884) 280. 



, theory of increased sensitiveness. Schiendl, 

 C. [1885] Wien Pht. Cor. 23 (1886) 1-. 



for gelatino-bromide plates. Eder, J. M., & 

 Valenta, E. Wien Pht. Cor. 31 (1894) 227-. 



glycyrrhizin in exciting bath. Hardwich, T. F. 

 [1857] Pht. S. J. 4 (1858) 5-. 



negative collodion. Hardwich, T. F. 

 Pht. S. J. 3 (1857) 296-. 



iodides. Hunt, E. Ph. Mg. 17 (1840) 202-, 



260-. 

 iodine and bromine, influence on gradations 



of tone. Horn, W. Dingier 133 (1854) 



429-. 



chloride. Heeren F. Pol. Mt. 2 (1845) 

 136-. 



, influence in rendering silver compounds 

 sensitive to light. Hunt, E. Phil. Trans. 

 (1840) 325-. 



salts. Bossard, F. A. Pht. Arch. 3 (1862) 

 29-, 52-. 



oxamine-colouring substances. Valenta, E, 



Wien Pht. Cor. 35 (1898) 198, 314-. 

 pyroxylin and iodising salts, sensitiveness of 



collodion with different amounts. Zettnow, 



E. A. Ps. C. 145 (1872) 485-. 

 saccharins for gelatino-bromide plates. Valenta, 



E. Wien Pht. Cor. 36 (1899) 30-. 

 silver nitrate bath. Fenton, E. [1853] Pht. 



S. J. 1 (1854) 133- . 

 spectrophotometric investigation. Messerschmitt, 



J, B. A. Ps. C. 25 (1885) 655-. 



Thio-carbamide and electric currents, positives 

 obtained by. Waterhouse, (Col.) J. Beng. 

 As. S. P. (1891) 66-. 



Uranium nitrate. Hagen, 0. Berl. Mb. (1858) 

 290-. 



salts. Wortley, (Col.) S. B. A. Ep. 42 

 (1872) (Sect.) 45-. 



Xylonite. Spill, D. Phm. J. 1 (1871) 555-. 



Photographic efficiency of optical apparatus. 



Seidel, L. Munch. Sb. 2 (1861) 290-. 

 extinction. Oppolzer, E. von. Wien Ak. 



Sb. 107 (1898) (Ab. 2a) 1477-. 



PHOTOGEAPHIC IMAGES. 



[Maskelyne, , Hadow, ,] Hardwich, T. F., 



[_<& Llewelyn, ]. (vi Adds.) B. A. Ep. (1859) 



103-. 

 Cunningham, (Lt.) A. (vn) E. E. Pp. 11 



(1862) 169-. 

 Abney, (Capt.) W. de W. Phot. J. 9 (1885) 



128-. 



Photographic Images 4225 



Meldola, E. [1890] E. I. P. 13 (1893) 134-. 

 action of ammonium persulphate. Lumiere, 

 , & Seyewetz, . Wien Pht. Cor. 35 



(1898) 466-. 



composition. Hardwich, T. F. [1856] Pht 



S. J. 3 (1857) 20-, 77-. 

 . Spiller, J. Ph. Mg. 19 (1860) 186-. 

 . Malone, T. A. [1862] Pht. S. J. 8 (1864) 



179-. 

 at focus of camera obscura, method of rendering 



permanent. Talbot, W. H. F. Bb. It. 93 



(1838) 132-. 

 formation. Angot, A. As. Fr. C. E. 6 (1877) 



333-. 

 . Lerviantov, V. V. (xn) Es. C. Ps. S. J. 



9 (Ps.) (1877) [Pt. 1] 296- ; (x) J. de Ps. 



6 (1877) 376-. 

 .theory. Golfier-Besseyre, . C.E. 9(1839) 



378-. 

 latent. Vogel, H. [W. non] C. D. C. Gs. B. 4 



(1871) 825-. 

 , development. Hardwich, T. F. [1855] 



Pht. S. J. 2 (1856) 211-. 

 , . Lea, M. C. Am. J. Sc. 14 (1877) 49- ; 



19 (1880) 480-. 

 , and development. Hurter, F., & Driffield, 



V. C. Phot. J. 22 (1898) 145-, 186-, 277-, 



360-. 

 , . Bothamley, C. H. Phot. J. 23 



(1899) 123-. 



, Eder's experiment. Luther, E. Wien 



Pht. Cor. 36 (1899) 584-. 

 , of exposed plate, change in. Perrine, 



C. D. As. S. Pac. Pb. 7 (1895) 76. 

 , , . Hussey, W. J. As. S. 



Pac. Pb. 7 (1895) 102. 

 , nature. Lea, M. C. Am. J. Sc. 40 (1865) 



109-. 

 , organic and inorganic, development before 



and after fixing. Sterry, J. Phot. J. 22 



(1898) 264-. 

 , permanence on gelatino-bromide plates. 



Bothamley, C. H. Phot. J. 18 (1894) 226-. 

 process for iodising plates. Lerebours, . 



C. E. 12 (1841) 1059-. 

 . Gaudin, A. C. E. 12 (1841) 



1187-. 

 pseudo-solarisation. Liesegang, E. E. Wien 



Pht. Cor. 32 (1895) 556-. 



reciprocity-law for gelatino-silver-bromide, de- 

 viations from. Schwarzschild, K. Wien 



Pht. Cor. 36 (1899) 109-. 

 reversal. Abney, (Capt.) W. de W. [1880-97] 



Ph. Mg. 10 (1880) 200- ; Nt. 57 (1897-98) 



158. 

 reversed action of light. Sidebotham, J. 



Manch. Lt. Ph. S. P. 6 (1867) 114-. 

 sizes and proportion. Claudet, A. [1861] 



Pht. S. J. 7 (1862) 133-. 

 undeveloped, destruction. Abney, (Capt.) W. 



de W. Ph. Mg. 5 (1878) 61-. 

 variability. Schnauss, J. C. Lpldina. 15 (1879) 



87-. 



459 



