PART I.

GLASS, 10 Quality--Preparation--Albumenizing.

COLLODION, 14 Positive Process--Formula for Positive--How to Coat Plates With--Exposure of the Plates-- Development of Plates--Developer-- Fixing Solution--Dry Plate Ferrotypes.

COLLODION PROCESS FOR NEGATIVES, 24 Negative--Formula A--Formula B--Formula C.

COLLODION COTTON, 28 Formula for Making Collodion with Above.

NEGATIVE SILVER BATH, 29 Preparation of--Contaminations of--Renovating, &c.

THE NEGATIVE DEVELOPER, 33 Formulæ for Developing Solution.

FIXING SOLUTIONS FOR NEGATIVES, 35

INTENSIFYING NEGATIVES, 36

THE BROMO ARGENTIC DRY PLATE PROCESS, 37

GELATINO EMULSION, 38 Emulsion A, Paget Prize--Emulsion B, Jarman--Emulsion C, Ever--Emulsion D, Ever--Apparatus for Making--Preparation of Glass--Coating Plates.

APPARATUS USED IN MAKING EMULSIONS, 44 Cooling Table--Drying Room.

DEVELOPING ROOM FOR DRY PLATES, 48

DEVELOPMENT OF DRY PLATES, 54

DRY PLATE DEVELOPERS, 55 Alkaline Pyro--Developer, a Sal Soda.

FIXING SOLUTION, 57

CLEARING SOLUTION, 58

DRY PLATE DEVELOPMENT, 58 Ferrous Oxalate--Ammonia Pyro-- Intensification--Solution A--Solution B.

PRACTICALITIES, 63

RETOUCHING NEGATIVES, 63 Apparatus Furniture.

SILVER PRINTING, 70 Printing Room--Silvering Room--Silver Solution for Paper--Sensitizing Paper--Fuming Paper--Toning the Prints--Toning Solution--Fixing the Prints--Mounting the Prints--Spotting the Prints--Preparation for Burnishing.

THE PHOTOGRAPHIC STUDIO, 80

THE CAMERA LENSES, 84 Optics of Photography.

CAMERA BOXES, 99 For Positives, the Multiplyer--For Negatives, Wet or Dry.

THE BENSTER PLATE HOLDER, 109

CAMERA BOXES, 110 For Copying and Enlarging--For Viewing and Out-Door Work--The Novel View Camera--The Klauber Camera.

CAMERA STANDS, 116 The Lever Stand--The Knickerbocker Stand--The Balance Stand--The Bowdish Stand--The Automatic Stand--The Gem City Stand--The Handy Stand--The Magic Stand--The Iron Centre Stand.

PNEUMATIC SHUTTERS, 124 The Cadett Shutter--The Lightning Shutter--The Garland Shutter--The Invisible Shutter.

HEAD RESTS, 130 Success Head Rests--The Rigid--The Spencer.

POSING CHAIRS, 133 The Bowdish Chair--Other Chairs.