Fig. 8

Strain at failure of parchment specimens under tensile stress as a function of RH. H6 and H7 specimens were taken from eighteenth century French and nineteenth century Abyssinian objects, respectively (see Table 1)
Strain at failure of parchment specimens under tensile stress as a function of RH. H6 and H7 specimens were taken from eighteenth century French and nineteenth century Abyssinian objects, respectively (see Table 1)