Birds have an impressive ability to navigate. They can fly long distances, to places that they may never have visited before, sometimes returning home after months away. Though there has been a lot of ...

A LEADING feature of present-day methods of navigation is the use of tables. There is scarcely any method in use in navigation for which one, and probably many, tables, of more or less practical ...

Never mind the wind, waves, storms, shoals and countless other factors that once made sailing across an ocean an incredibly complex task fraught with danger. Perhaps the most confounding aspect of a ...

THE appearance of a second and improved edition of these tables is welcome on several grounds, but mainly as an indication of increasing accuracy in nautical calculations. We hope, too, that the ...