There was a problem when proofreading this page.
Plate 68
An image should appear at this position in the text.
352
Red in contrast with the different tones of Black.
An image should appear at this position in the text.
353
Yellow in contrast with the different tones of Black.
An image should appear at this position in the text.
354
Gray in contrast with Bine and its light tones.
An image should appear at this position in the text.
355
Gray in contrast with Red and its light tones.
An image should appear at this position in the text.
356
Gray in contrast with the different tones of Black.
