A Manual Of Photography

316 INDEX. Bromine water, 242. Brooks, Mr., photographic registra- tion, 154. Buildings, to copy, 299. Calorific power, 121. Calotype, discovery of, by Mr. Talbot, 21. , improvements in, 28. Camera obscura, 198. for collodion, 270. , folding, 203. for daguerreotype, 40. , paper for, 208. , use of, 299. Canton’s phosphorus, action of light on, 10. Carbonised plates used by Schafhaeutl, 97. Catalysotype process of Dr. Woods, 79. Chamber, mercurial, of M. Claudet, 250. Channing, Mr., of Boston, on calo- type, 225. Charles, M., supposed discovery of photography by, 5. Chemical, electro-, experiments, 295. -------power, 121. -------rays, permeability of coloured media, 148. - -----spectrum, 119. Chloride of gold employed in fixing, 251. -------of silver, 206. -------observed to blacken, by the alchemists, 4. Chlorine, aqueous solution of, 130. -------and hydrogen, combination of, by solar rays, 10. -------and iodine render wood sensi- tive, 98. Choiselat, M., on fixing daguerreo- types, 252. Chromatic aberration, 181. Chromatype process, 74. Chrysotype, 57. Claudet, M., his arrangement for mercurial vapour, 249. employs chlorine and iodine, 107. experiment on daguerreotype, 145. his dynactinometer, 160. his foeimeter, 159. Claudet, his mode for portraits, 301. his mode of polishing, 241. his photographometer, 149. -------on the actinic and luminous focus of lenses, 150. Collodio-iodide of silver, 263. Collodion first employed, 103. image, to fix, 266. plate excited, 263. process, 259. -------, to iodise, 261. Coloured media, absorption of chemi- cal rays by, 148. Colours, chemical effects of, 302. , natural, production of, 172. Composition for silvering, 254. Configliachi on magnetism induced by sun’s rays, 5. Cooper’s, Mr., methods of preparing paper, 207. Copper, muriate and nitrate, 290. Copying frames, 197. Corrosive sublimate, Herschel’s fixing process with, 217. Corchorus japonica, photographic ef- fects on, 67. Crystallisation, influence of light on, observed by Petit, 4. Cundell, Mr., on fixing calotypes, 213. on the Talbotype, 218. Cyanotype, 51. Daguerre’s improvements, 44. improvements in heliography, 16. improved manipulation, 237. , pension granted to, 35. Daguerreotype applied to paper, 91. , discovery of, 35. — , fixing, 251. , manipulatory details of M. Daguerre, 36. , simplification of, 254. ■ , theory of, 137. Daubeny, Dr., on decomposition of carbonic acid by light, 7. Dark rays, chemical action of, 5. Davy, Dr., on the change in hq. hydr. oxymur., 10. Davy, Sir H., on copying images in the solar microscope, 7. -------on puce-coloured oxide of lead, 5. Desmortiers on Prussian blue, 6. Developing collodion image, 265.