CHAPTER IV

.--THE PROCESSES 102

"Photo zinco"--Gelatine Process--Grained Papers--Mechanical Dots--"Half-tone" Process--Wash Drawing--Illustrations from Photographs--_Sketch_, _Graphic_, &c.--Daniel Vierge.

## CHAPTER V .--WOOD ENGRAVING 182

## CHAPTER VI .--THE DECORATIVE PAGE 197

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