About the Book
This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1857 Excerpt: ...iodide and bromide, 24. Iron, protosulphate of, as a developing agent, 139. Caution in using, 140. Le Qray's printing process, 196, 208. Levelling stand, 116. Improved, 116. Candle, 59. Light, yellow, 58. Mansell's, Dr., method of preparing sensitive plates, 100. Martin's formula for positives, 157. Naylor's plate-holder, 45. Nitrate of ammonia, its use in sensitive bath, 60. Nitrate of silver, its use in sensitive bath, 28. Nitric acid, 67. Over-exposed picture, its appearance, 131. Paper used in the preparation of col-lodion, 13. Paper for printing, 163. Plate developing, ! 13 to 133. Cleaning, 39 to 43. late, coating the, 48 to 53. Plate holder, lever, 51. Plate-holder, Naylor's, 45. Exposure in camera, 108. Positive pictures, 147. Bath for, 148. Developing, 169. Home's method, 150. Martin's method, 157. Potassium cyanide, 107. Printing from the negatives, 162. Printing, method of applying the sen-sitive solution in, 175, 179. Formula for, 180. Pyrogallic acid as a developing agent, 113. Sensitive bath, 60. Time for immersing the plate, 55. Preparation of, 2. / Sensitive plates, method of keeping, 91. Shadbolt, his method of keeping the sensitive plates, 91. V Shadbolt on the use of chloroform, 35' Silver, nitrite, 73. Soda, hyposulphite, for fixing, 134. Solutions, formula, sensitive, 217. Developing, 128. Fixing, 219. Specific gravity bottle, its use, 221. Spottiness, to avoid, 59. Stains, rem oval of, from the hands, 106. Steaming sensitive plates, 104. Streaks, cause of, 57. JJUnder-exposed plate, how remedied, 127. Varnish for negatives, 143. Chloroform, 143. Mastic, 145. Spirit, 140. Washing the plate, caution respecting, 133. Water, hot, 199. Weights and measures, 215. Weighing, cautions respecting, 223. Williams's formula, 12. Yellow light, ...