Bookbinding and the Conservation of Books
A Dictionary of Descriptive Terminology

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shoulder ( shoulders )

1. That part of the spine of a text block at the outer extremities which is bent over in the backing process to form the projection at right angles to the text block to accommodate the board. 2. The portion of a cowhide covering the shoulders and neck of the animal together with the two cheeks, and the leather produced therefrom. A squared shoulder is obtained by cutting off the cheeks. Shoulders usually provide good, firm leather; however, that part of the hide is prone to growth marks and creases which cannot be entirely eliminated during manufacture. 3. The top of the shank of a piece of movable type. Its parts include the bevel, beard, line, and side bearing. 4. A term sometimes applied to the upper, outer corners of a leaf of a book. (151 , 161 , 313 )

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