There's a good bio on tesla by Marc Seiffer called 'Wizard the life and times
of Nikola Tesla'. Should be in there what he was doing and where he was in
1908. By the way, I don't think that Tesla had anything to do with the
Tunguska explosion.
Best,
Theo Paijmans
(supersnip) and where Tesla's
> laboratory was at the time...............