> All they need is to level the outside of each
> course to maintain a steady concordance as a
> pyramid rose.
If they did manage to maintain the outside of each level how did they project that level to the interior?
> All is needed is a trough for the water leveling,
> not the whole area of the course.
Are you suggesting a matrix of watertight troughs carved into the interior surface?
> All is needed to maintain plumb slope for the DP
> is a straight edge and square.
How long is the hypothetical straight edge?
How would you compensate for cumulative error?
How do you project the straight edge into as yet uncut rock?
Edited 1 time(s). Last edit at 13-Feb-16 18:57 by Jon Ellison.