6th PAGE OF ENGRAVINGS. SHOWING THE MODE OF SLIDING THE PLATE. … This 5th Engraving shows Plate 6 in actual sliding use. Any plate in set can be thus slid along over the wet color with one hand, while wiping out with wide fine steel comb (teeth lapped in a piece of graining cloth) with the other hand. There is no cloth over the comb shown in engrav- ing simply…