The Manuscript Codex * Structure
SPINE-LINING EXTENSION

A continuation of the spine lining material past the width of the textblock spine. This extension is often used to help attach the textblock to the boards of the binding and therefore forms part of the inner joint. It is usually adhered to the inside spine edge of the adjacent board, more rarely to the outside spine edge of the adjacent board.
 
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UBL OR. 154

 

 

AUTHORS: PAUL HEPWORTH AND KARIN SCHEPER