Chapter VII

RECOMMENDATIONS AND AUXILIARY PROCESSES.--ZINK AND STEEL
PLATES.--VARIOUS THEORIES.

A. _Recommendations and Auxiliary Processes._

73. The Roulette 49
74. The Flat Point 49
75. The Graver or Burin 49
76. Sandpaper 50
77. Sulphur Tints 50
78. Mottled Tints 51
79. Stopping-out before all Biting 51

B. _Zink Plates and Steel Plates._

80. Zink Plates 52
81. Steel Plates 52

C. _Various other Processes._

82. Soft Ground Etching 52
83. Dry Point Etching 53
84. The Pen Process 54