Pall and Johann

Pall and Navigation Tool

Pall and Navigation Tool

SONY DSC

SONY DSC

Here is Johann Sigurdson talking with Páll Bergþórs­son. Páll has written some books on pre-Columbian exploration with focus on how navigation was done.

http://icelandmonitor.mbl.is/…/discovery_of_new_viking_sit…/
https://www.facebook.com/p…/Páll-Bergþórsson/100000022629269