Dimensions:
11⅛ × 6⅜ inches.

Blocks, 2:
Olive green, black.

Print for wallpaper. Probably cut by Jackson as a guide for his workshop. See [Nos. 59-74].

Smithsonian Institution (U.S. National Museum)

[51.]

Bust of Democritus

Dimensions:
9¼ × 7½ inches (sheet size).

Blocks, 4:
Buff, light gray, medium gray, dark gray.

Plate from Jackson, An Essay on the Invention of Engraving and Printing in Chiaro Oscuro, 1754.

[52.]