To make books {bookbinding}|, a machine folds 16, 32, or 64 consecutive pages like theater programs, with untrimmed outer edges {signature, book}. Machines sew signature stack through fold center, and then press pages flat and trim them to make books. Machines glue cheesecloth to fold side to make edge {spine, book}. Machines glue extended cheesecloth edges to cover boards. Machines glue outer papers of outer signatures to other cheesecloth side.
Practical Affairs>Machine>Kinds>Printing>Book
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Date Modified: 2022.0224