Of these imaginary visitations he made good use, when he invented his truly original and beautiful mode of engraving and tinting his plates. He had made the sixty-five designs of his Days of Innocence, and was meditating, he said, on the best means of multiplying their resemblance in form and in hue; he felt sorely perplexed. At last he was made aware that the spirit of his favourite brother Robert was in the room, and to this celestial visitor he applied for counsel. The spirit advised him at once: 'write,' he said, 'the poetry, and draw the designs upon the copper with a certain liquid (which he named, and which Blake ever kept a secret); then cut the plain parts of the plate down with aqua-fortis, and this will give the whole, both poetry and figures, in the manner of a stereotype.' The plan recommended by this gracious spirit was adopted; the plates were engraved, and the work printed off. The artist then added a peculiar beauty of his own. He tinted both the figures and the verse with a variety of colours, amongst which, while yellow prevails, the whole has a rich and lustrous beauty, to which I know little that can be compared. The size of these prints is four inches and a half high by three inches wide. The original genius of Blake was always confined, through poverty, to small dimensions. Sixty-five plates of copper were an object to him who had little money. The Gates of Paradise, a work of sixteen designs, and those exceedingly small, was
