The Structural Conservation of Panel Paintings
The screw clamps will be attached to the angle-sectioned beams above and below the panel joint so that they are on either side a ...
In general, the restraining bars are placed parallel to and approxi- mately halfway between the joint and each parallel panel ed ...
turn the screw back to the mark. For most joining procedures, any disrup- tion of the panel’s position relative to the screw cla ...
Case description This apparatus was constructed in 1988. The method follows the principles described in the previous section. Sc ...
table consisted of a box frame of metal girders supporting a top of 25 mm (1-in.) thick blockboard panel fastened with screws fr ...
pose. Several other modifications can be made to the system, depending onneed and limited only by imagination. Case description ...
height. The slings also prevented accidental damage that could have resulted if the end blocks had contacted the panel painting. ...
4 Generally speaking, most water-based glues used for rejoining are removed easily from a paint surface while they are still moi ...
Glatigny, J-.A. 1989 Evolution des matériaux utilisés à l’IRPA, Bruxelles, à travers un exemple dans le domaine du collage des p ...
T the problems encountered in the framing of panel paintings in cases where some movement in response to fl ...
sixteenth century (Fig. 1), or a large, complex altarpiece where the mold- ing of the frame is securely attached, sized, and ges ...
frames of the wings was further weakened by the fitting of brass bolts and keeps in the nineteenth century (Fig. 2). By the mid– ...
of differing lengths. One nail subsequently caused a horizontal crack (Smith et al. 1989:32, 37, fig. 7). The method of nailing ...
was followed by the present failure of the lower join; on both occasions these failures were caused by the rigid fixing of the p ...
The correction of the tendency of panels to develop convex warps when exposed to low ambient levels of RH is probably one reason ...
smaller curves in response to changes in ambient RH. Observation of par- ticular panels under varying levels of RH can reveal a ...
wood is weakened by splits or degraded by woodworm damage, and when glued joints are embrittled by age. It is doubtful that any ...
ment. Small blocks of Evazote, with the bottom edges shaped to align with the chamfered edge of the panel, were cut. A groove wa ...
section protruded in front of the panel by 5 mm to enable the block hold- ing the roller bearings to be set in the line of the c ...
that passed through the gap between the three panels and that were bolted to the framework with provision for adjustment. The th ...
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