CHAPTER VII.

DEVELOPMENT AND NEGATIVE FINISHING.

Study of Chemistry 162

On Plate making 163

Wet-plate process 163

Tonality and development 166

On developing 170

On developers 171

Local development 171

On the study of tone 173

Accidents and faults, and their remedies 174

Varnishing the negative 179

Roller slides and paper negatives 180

Orthochromatic photography 181