Incunabula - Dawn of Western Printing

An example of the page imposition used to make a quaternion made of 4o × 2
Front and back side of paper 1 Front and back sides of paper 2
Front and back side of paper 1: Clockwise from upper left of front side, page 14, 15, 2 and 3, and on back side, page 16, 13, 4 and 1.Front and back side of paper 2: Clockwise from upper left of front side, page 10, 11, 6 and 7, and on back side, page 12, 9, 8 and 5.
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