> Hear is what Petrie says,
> Some of the lines in this chamber, drawn in red on the S. wall
> blocks of granite, are over some of the plastering, but under
> other parts of the plaster. These lines, therefore, were drawn
> during the building, and while the plaster was being laid on,
> and slopped like whitewash into the joints. The red lines are
> always ill–defined and broad, about ¼ to 1½ inch; but, to give
> better definition, finer black lines were often used, either
> over the red or alone,
Keep in mind that those comments were about the "second chamber" which is Wellington's. Dowell's photos are of the fifth, or Campbell's Chamber.
In fact, Petrie mentions plaster in ALL of the Relieving Chamber EXCEPT Campbell's Chamber where he conspicuously omits any comments about plaster.
Post Edited (10-Sep-14 16:03)
How can any of us ever know, when all we can do is think?