4225 Photographic Agents 



Silver salts, photographic effects with, new 



theory of mode by which produced. Skey, W. 



N. Z. I. T. 14 (1882) 403-. 

 , sensitiveness to spectrum. Abney, (Capt.) 



W. de W. Phot. J. 20 (1896) 325. 

 , , measure. Abney, (Capt.) W. 



de W. [1888] Phot. J. 13 (1889) 2-, 26-. 



sub-bromide in latent image, and silver-germ 

 theory. Eder, J. M. Wien Pht. Cor. 36 

 (1899) 276-, 332-. 



sub-chloride, action of light and oxygenated 

 salts. Poitevin, L. A. C. E. 61 (1865) 

 1111-. 



Vermilion. Sherman, W. H. Wise. Ac. T. 1 

 (1872) 165-. 



Photogenic and visual rays of solar spectrum. 

 Claudet, A. B. S. P. 5 (1844) 513. 



PHOTOGRAPHIC AGENTS. 



Cellulose, solvents. Monckhoven, D. van. C. 



E. 48 (1859) 645-. 

 Copper bromide. Renault, B. [1864] Mon. 



Sc. 7 (1865) 87-. 



Developers. 



Barbieri, . Wien Pht. Cor. 31 (1894) 



315-. 

 acetate. Just, E. A. [1885] Wien Pht. Cor. 



23 (1886) 41-. 

 ' ' adurol ' ' (monobromohydroquinone) . Bogisch, 



A. Wien Pht. Cor. 36 (1899) 426-. 

 . Eder, J. M. Wien Pht. Cor. 36 (1899) 



464-. 

 alkaline. Abney, (Capt.) W. de W. Ph. Mg. 



3 (1877) 46-. 

 , amines as substitutes for alkalis. Lumiere, 



, & Seyewetz, . Phot. J. 23 (1899) 



136-. 

 , for dry plates, fatty amines as accelerators. 



Waterhouse, (Col.) J. Phot. J. 23 (1899) 



117-. 

 , modification for silver-bromide plates. 



Lohse, O. Wien Pht. Cor. 24 (1887) 56-. 

 "amidol" (diamidophenol). Eder, J. M. 



Wien Pht. Cor. 29 (1892) 278-. 

 , isomers. Andresen, M. Wien Pht. Cor. 



31 (1894) 505-. 

 bromohydroquinone. Andresen, M. Wien Pht. 



Cor. 36 (1899) 396-. 

 characteristic reactions. Andresen, H. Wien 



Pht. Cor. 35 (1898) 12-. 

 characteristics. Andresen, M. Wien Pht. Cor. 



36 (1899) 635-. 

 chemicals used for. Schmid, J. F. Wien Pht. 



Cor. 25 (1888) 15-, 53-. 

 comparative experiments with. Scolik, C., & 



Zwickl, A. Wien Pht. Cor. 21 (1884) 



55-. 

 . Himly, E. Wien Pht. Cor. 26 



(1889) 152-, 160-. 

 convection currents in development. Guebhard, 



A. C. E. 126 (1898) 589-. 

 diffusion in. Guebhard, A. C. E. 126 (1898) 



1341-. 



Developers 4225 



1 ' diphenal ' ' (diamidooxydiphenyl) . Precht, J. 



Wien Pht. Cor. 34 (1897) 483-. 

 . Andresen, M. Wien Pht. Cor. 34 (1897) 



587-. 



. Precht, J. Wien Pht. Cor. 36 (1899) 22-. 

 . Andresen, M. Wien Pht. Cor. 36 (1899) 



208-. 

 effect of concentration. Colson, R. C. E. 126 



(1898) 470-. 

 water from different sources. Abney, 



(Capt.) W. de W. [1885] Phot. J. 10 (1886) 



59-. 

 eikonogen. Eder, J. M. Wien Pht. Cor. 26 



(1889) 519-. 

 , action. Lainer, A. Wien Pht. Cor. 30 



(1893) 326-. 

 eikronometer, Watkins's. Eder, J. M. Wien 



Pht. Cor. 31 (1894) 462-. 

 experiments. Scolik, C. [1884] Wien Pht. 



Cor. 22 (1885) 7-. 

 ferrous oxalate. Abney, (Capt.) W. de W. 



Wien Pht. Cor. 17 (1880) 59-, 83-. 



, adjustment to gelatin emulsion, and 

 regeneration after use. Eder, J. M. Wien 

 Pht. Cor. 17 (1880) 27-. 



, comparison with alkaline pyrogallate 

 developer. Eder, J. M. Wien Pht. Cor. 16 

 (1879) 223-, 243-. 



, regeneration. Thiry, A. Wien Pht. 

 Cor. 24 (1887) 147-. 



formic acid in. Claudet, H. C. E. 55 (1862) 



375-. 

 gallic acid. Liippo-Cramer, . Wien Pht. 



Cor. 37 (1900) 161-. 

 and gelatin -emulsions, formaldehyde - sodium 



bisulphite in. Eder, J. M. Wien Pht. Cor. 



27 (1890) 105-. 

 glycin 



(oxyphenylglycmeC 6 H 4 |H.CH 2 .COOH) ' 

 Eder, J. M. Wien Pht. Cor. 29 (1892) 

 493-. 



guaiacol and allied compounds. Waterhouse, 

 (Col.) J. Phot. J. 17 (1893) 100-, 155-. 



for dry plates. Waterhouse, (Col.) J. Phot. 

 J. 14 (1890) 161. 



heat-flow in development. Guebhard, A. C. 



E. 125 (1897) 814-. 

 hydramine (hydroquinone and paraphenylen- 



diamine). Eder, J. M. Wien Pht. Cor. 36 



(1899) 22 1-. 

 hydrazines. Votocek, E. Wien Pht. Cor. 35 



(1898) 458-. 

 hydroquinone. Himly, E. Wien Pht. Cor. 



25 (1888) 94-. 

 . Swan,J.W. Phot. J. 13 (1889) 52-, 66-, 



and eikonogen, iodine in. Lainer, A. 

 Wien Pht. Cor. 28 (1891) 12-. 



, experiments. Eder, J. M., & Lenhard, H. 



Wien Pht. Cor. 25 (1888) 511-. 

 , so-called permanent. Eder, J. M. Wien 



Pht. Cor. 26 (1889) 207-. 

 , rapid. Lainer, A. Wien Pht. Cor. 28 



(1891) 6-, 171-. 

 hydroxylamine. SpiUer, A. [1884] Phot. J. 



9 (1885) 23-. 



457 



