30. William Blake, The First Book of Urizen, plate 25, relief etching, 16.3 x 10.3 cm., etched 1794, proof impression color printed 1794. Keynes Collection, Fitzwilliam Museum. Second impression from plate that produced the Beinecke Library impression (illus. 29) without its being re-inked or recolored. Detail. The colors replicate those in the first impression but are lighter and thinner, and the white lines along the escarpments between shallows and relief areas are more pronounced.