Jesus, this whole second part is about the Vaimanika Shastra, which isn't even a historical document. It was produced by a channeler in the fucking 20th Century.

http://en.wikipedia.org/w iki/Vaimanika_Shastra

holy shitbags on fire! A scale model of... wtf!??!

What irritates me is how they take many of the artifacts out of context of where they came from and interpret them by themselves.
That's considered bad archaeology.

History!