Bookbinding and the Conservation of Books
A Dictionary of Descriptive Terminology

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spine lining

1. The process of reinforcing the spine of a sewn book, after gluing-up, rounding and backing, and before covering or casing-in. The spine lining material (which is usually a fabric) does not generally extend closer than within 1/8 inch of the head and tail of the text block. In edition and library binding, the lining material, or initial liner, if there is more than one, extends beyond the edges of the spine, and is attached to the boards of the case; any subsequent lining, however, stops at the shoulders of the spine.

The purpose of lining the spine is to support it and to impart a certain degree of rigidity, while still maintaining the necessary flexibility for proper opening; consequently the weight and stiffness of the spine lining material is of considerable importance. See also: SPINE LINING FABRIC ;SPINE LINING PAPER . 2. A term used incorrectly with reference to the strengthening or stiffening of the area between the boards of the covering material of case bindings. This lining is more appropriately called the INLAY (1) .

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