Chapter II Formulæ for Solutions Required for Collodion Photographs
| Section I.—Formulæ for direct Positive Solutions.—The Collodion.—The Nitrate Bath.—Developing fluids.—Fixing liquids.—Whitening solution | 201 |
| Section II.—Formula for Negative Solutions.—The Collodion.—The Nitrate Bath.—Developing fluid.—Fixing liquid | 208 |