Introduction to a Course of Lectures on Natural History. Delivered in the University of Pennsylvania, Nov. 16, 1799. By Charles W. Peale. [Three Lines From Petrie]

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The 18th century was a wealth of knowledge, exploration and rapidly growing technology and expanding record-keeping made possible by advances in the printing press. In its determination to preserve the century of revolution, Gale initiated a revolution of its own: digitization of epic proportions to preserve these invaluable works in the largest archive of its kind.