The Structural Conservation of Panel Paintings

372 Bobak

Figure 1
Representative areas of stress concentration
(marked by arrows) in a cradled panel.

a

b

Figure 2a, b
Damage caused by acradle (a), and wash-
boarding caused by a cradle (b).

a

b

Figure 3a, b
Washboarding. This phenomenon is more
pronounced when the sliding battens are in
place (a); note the new camber when the slid-
ing battens are removed (b).