Sight Reduction Tables for Marine Navigation - Pub. 229 (HO-229) Vol. 4 Latitudes 45-60 The Coastal Waters of Southeast Alaska and British Columbia British Admiralty Nautical Chart 1109:

British Admiralty Nautical Chart  1109: North Pacific Ocean - Mariana Islands

British Admiralty Nautical Chart 2064: West Indies

4 Development of In-house Testing Procedures

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Sight Reduction Tables for Marine Navigation - Pub. 229 (HO-229) Vol. 4 Latitudes 45-60 The Coastal Waters of Southeast Alaska and British Columbia British Admiralty Nautical Chart 1109:SIGHT REDUCTION TABLES FOR MARINE NAVIGATION Pub. No. 229 (HO 229) Volume IV Latitudes 45 60 Commercial Edition This is the standard set of tables designed for marine navigation. Although there are 6 volumes in a set, only those pertaining to the latitudes anticipated need be obtained. Their tabular data, being purely mathematical results, never go out of date. The latitudes listed for the Volumes work for either northern or southern hemisphere. IMPA