Bookbinding and the Conservation of Books
A Dictionary of Descriptive Terminology

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guard

1. A strip of cloth or paper pasted around or into a section of a book so as to reinforce the paper and prevent the sewing thread from tearing through. This type of repair is sometimes required after a book has been pulled for rebinding, either because the folds of the section were torn because the sewing thread pulled through the paper, or the outer fold was damaged during the removal of the old glue on the spine. A guard may also be required for leaves or plates that have become frayed or detached at the inner edge. The material used for the guard must be strong yet thin so as not to cause undue swelling in the spine of the book. When paper is used for the guard, its MACHINE DIRECTION should run from head to tail of the section. 2. A strip of cloth or paper on which an illustration, map, etc., may be attached and sewn through with the section, thus allowing free flexing. Four-page (two folios) plate units are also strengthened in this manner before sewing. A leaf to be positioned at t he beginning or end of a section is guarded on the inside, while an interior leaf is guarded on the outside. In both cases the sewing thread passes through the center of the guard. See also:COMPENSATION GUARD ;CONTINUOUS GUARD ;GUARDED IN ;PLATE ATTACHMENT ;REVERSED V-GUARD ;THROW OUT . 3. See: STUB (1) .

(83 , 107 , 161 , 335 )




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