Page:Arts & Crafts Essays.djvu/159

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Book-binding.

binder is to fold or refold the printed sheet into a section, and to gather the sections, numbered or lettered at the foot, in their proper order into a volume.

The sections are then taken, one by one, placed face downwards in a frame, and sewn through the back by a continuous thread running backwards and forwards along the backs of the sections to upright strings fastened at regular intervals in the sewing frame. This process unites the sections to one another in series one after the other, and permits the perusal of the book by the simple turning of leaf after leaf upon the hinge formed by the thread and the back of the section.

A volume, or series of sections, so treated, the ends of the string being properly secured, is essentially "bound"; all that is subsequently done is done for

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