Reviews"Roy Williams... has met this challenge with considerable success in this well produced and clearly presented book." - Journal of Navigation, "Roy Williams… has met this challenge with considerable success in this well produced and clearly presented book." -Journal of Navigation
Dewey Edition21
SynopsisOffers a treatment of the Earth as an ellipsoid of revolution, pictured as a sphere, as has served navigators for centuries. Applies to surface navigation, and also to the surfaces of planets. It also includes methods for fixing a position by astronomical observation, and also a method of fixing position from the tracking of the angular co-ordinates of an astronomical body.
LC Classification NumberVK555.W55 1998