Bookbinding and the Conservation of Books
A Dictionary of Descriptive Terminology

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perforating

1. The process of punching round or slotted holes in paper, either during printing or as a separate operation, so that one portion of the sheet may be detached from another, e.g., checks from a checkbook. 2. The process of punching holes, generally arranged in the form of a letter or letters, symbol, etc., in one or more leaves of a publication, for the purpose of identifying the ownership of the material. See also:EMBOSSING (3) . (189 , 264 , 339 )




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