The set of stamps is shown in Figure 6. Bookbinding used with ancient Chinese books. Inc. The parts of a handbound book are illustrated in Figure 7. All in all, bookbinders do a conscientious job. They use materials that are conductive to long life.
Bookbinders take pride in their workmanship.
Parts of a bound book. A half-bound volume is at the right. These standards establish criteria for paper to meet requirements including pH and alkaline reserve which, if complied with in printed works, should result in the work lasting several hundred years without significant deterioration under normal use and storage. The standard for coated paper base stock can be as low as pH 7.0 if the paper as a whole meets the alkaline reserve requirement. Many publishers site the standard on the verso of the title pages of their works.