Really a freat site, full with inspiration.
Btw, we have strong elements to say that this stuff in Dendera IS electric light and the reason why we don't believe so is because some prejudice and bad work of the past was preventing us to see, in all its clarity. what the lamps were used for.
If we understood it, anything else just comes out by itself...
Even if you would not believe so, I found the solution just looking at your information. Thank you.
Should you be interested i the discussion, you can contact me at my private address.