S. D. H.


[CONTENTS.]

[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]

PART I

[CHAPTER I.]