>I'm extremely adept at being wrong and have had to change my theory numerous times to reflect this fact. I may well be wrong about the "Great saw Palace" as well but I can't see this yet.

Hi Cladking,

That audacious stone cutting machine, was more an effort to explain those rock surfaces, which contain large radius cutting marks, found on the Giza plateau. 

For you, we have something else.

Men at work in the Saw Palace.



Can you see it now? :)

Those are Swing Cutting Machines.