Three-dimensional drawing in the Viking sundial (stamp illustration) using a conical vertical gnomon and its shadow, the endpoint of which touches the hyperbola scratched in the horizontal wooden disc In the Viking Age (900–1200 AD) Vikings were the dominant seafarers in the North Atlantic. On the list of keys to https://nexalocal.com/longboat-key-condos-for-sale-exploring-the-coastal-real-estate-gem/