Navigational Astronomy
- Épisode diffusé le 1 août 1973
Ajouter une intrigue dans votre langueUntil the invention of modern techniques, a ship at sea could only find her position by the sun and stars. On board ship, Patrick and Cmdr Henry Hatfield, RN, discuss the navigational origin... Tout lireUntil the invention of modern techniques, a ship at sea could only find her position by the sun and stars. On board ship, Patrick and Cmdr Henry Hatfield, RN, discuss the navigational origins of astronomy, and show how seamen use the sun.Until the invention of modern techniques, a ship at sea could only find her position by the sun and stars. On board ship, Patrick and Cmdr Henry Hatfield, RN, discuss the navigational origins of astronomy, and show how seamen use the sun.