SPFCIAL
 
Permanence/Durability of the book, 7.
Coutections Barrow (W.J.) Research Laboratory, Richmond.
*S0Q 59 . 366 al
Physical and chemical properties of book papers, 1507-1949. Richmond, 1974.
48p. hem. (Permanence/Durability of the book, 7)
Appendices D and E, on microfiche, inside back cover.
1. Paper--Testing. 2. Paper making and trade-- History. I. Title. II. Series.
@ MB