British Admiralty Nautical Chart 5015: Diagram to Facilitate the Obtaining a Ship's Position by Sumner's Method 700 x 500mm Atlantic Ocean It is to be hoped

It is to be hoped that these inclusions will reduce learning times and be of assistance to the student working privately at sea and also

Even reading the sextant is easier under low light conditions by having white degree marks against a black background as opposed to scribe marks on a brass arc

ensuring that stakeholders are well-informed and prepared

East Limit 18� 17'

British Admiralty Nautical Chart 5015: Diagram to Facilitate the Obtaining a Ship's Position by Sumner's Method 700 x 500mm Atlantic Ocean It is to be hopedBritish Admiralty Nautical Chart 5015: Diagram to Facilitate the Obtaining a Ship's Position by Sumner's Method 700 x 500mm