wiggle | PART I. | | CHAPTER I. | | Introduction—Light—Solar Spectrum—Decomposition of Light—Light—Heat and Actinism—Blue Paper and Color for the Walls of the Operating Room—Proportions of Light, Heat and Actinism composing a Sunbeam—Refraction—Reflection—Lenses—Copying—Spherical Aberration—Chromatic Aberration | 13 | | CHAPTER II. | | Camera—Arrangement of Lenses—Camera Tubes—Camera Boxes, Bellows, and Copying—Camera Stands—Head Rests—Cleaning Vice—Nitrate Bath—Leveling Stands—Printing Frames—Collodion Vials | 26 | | PART II. | | Practical Hints on Photographic Chemistry. | | CHAPTER III. | | Soluble Cotton—Manipulation—Plain Collodion—Bromo-Iodized Collodion for Positives—Ditto for Negatives—Solution of Bromide and Iodide of Potassium and Silver—Double Iodide of Potassium and Silver—Developing Solution—Fixing the Solution—Brightening and Finishing the Image—Photographic Chemicals | 41 | | PART III. | | Practical Details of the Positive or Ambrotype Process. | | CHAPTER IV. | | Lewis's Patent Vices for Holding the Glass—Cleaning and Drying the Glass—Coating—Exposure in the Camera—Developing—Fixing or Brightening—Backing up, &c. | 129 | | PART IV. | | Practical Details of the Negative Process. | | CHAPTER V. | | Negative Process—Soluble Cotton—Plain Collodion—Developing Solution—Re-Developing Solution—Fixing the Image—Finishing the Image—Nitrate of Silver Bath | 143 | | PART V. | | Practical Details of the Printing Process. | | CHAPTER VI. | | Printing Process—Salting Paper—Silvering Paper—Printing the Positive—Fixing and Coloring Bath—Mounting the Positive—Facts worth Knowing | 151 | | CHAPTER VII. | | Helio Process.—An Entire Process for Producing Collodion Positives and Negatives with one Bath, and in much less time than by any other known Process: by Helio—Photographic Patents | 164 | | CHAPTER VIII. | | The Collodio-Albumen Process in Detail | 190 | | CHAPTER IX. | | On a Mode of Printing Enlarged and Reduced Positives, Transparencies, &c., from Collodion Negatives—On the Use of Alcohol for Sensitizing Paper—Recovery of Silver from Waste Solutions,—from the Black Deposit of Hypo Baths, &c.—The Salting and Albumenizing Paper—On the Use of Test Papers—Comparison of British and French Weights and Measures | 191 |
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