Excerpt from The Development of Great Circle Sailing About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at

Excerpt from Tables to Facilitate the Practice of Great Circle Sailing, and the Determination of Azimuths It is, now universally known by seamen that the shorte

Excerpt from New Tables to Facilitate the Practice of Great Circle Sailing Together The single sheets of the manuscript here presented, advocating principles wh