for the first time pictorial statements of a kind that could be exactly repeated during the effective life of the printing surface. This exact repetition of pictorial statements has had incalculable effects upon knowledge and thought, upon science and technology, of every kind. It is hardly too much to say that since the invention of writing there has been no more important invention than that of the exactly repeatable pictorial statement. The too obvious character of exact repeatability that is inherent in typography misses the literary man. He attaches little significance to this merely technological feature and concentrates on the “content,” as if he were listening to the author. As an artist aware of formal structures as complex statements in themselves, Ivins brought to prints and typography and manuscript alike, a rare mode of attention. He