7. William Blake, The Marriage of Heaven and Hell, copy F, plate 10. Relief etching, 15.0 x 10.2 cm., 1790, color printed and finished in watercolors and pen and ink, c. 1794. The Pierpont Morgan Library, New York, PML 63935. Detail of devilís wings, table, figure on left, and plant showing printed yellow ochre and burnt sienna color intermixing with and covering the black ink. The ground below the figures shows layers of colors printed from the plate.