Incunabula - Dawn of Western Printing

Printed sheet of paper (whole and half) Turn it over. Apply glue and fold the sheet of paper in two. A whole sheet of paper and a half sheet of paper are completed. Turn over the whole sheet of paper. Fold the whole sheet of paper and the half sheet of paper in two. A quarto from the whole sheet of paper and a folio from the half sheet of paper are completed. Fold the whole sheet of paper in two laterally. Insert the folio into the valley fold of the quarto. A quire is completed. Make the other quires in the same way and stack them together. Attach the cover to the quires to complete the incunabulum.

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