Chapter 13

SHADING AND COLORING DRAWINGS.

Coloring the journals of shafts; simple shading; drawing cast-iron, wrought iron, steel and copper 277

Points to be observed in coloring and shading; colored drawings to be glued around their edges to the drawing board; to maintain an even shade of color; mixing colors 278

To graduate the depth of tint for a cylindrical surface 279

The size and use of brushes; light in shading; example for shading a Medart pulley 280

Brush shading 281

To show by the shading that the surfaces are highly polished; representation of an oil cup; representation of an iron planing machine 282

Example in shading of Blake's patent direct acting steam pump 284

Example of shading an independent condenser 288