Engineroom Logbook KM-313 (31 Days) Philippine Sea British Admiralty Nautical Chart 3967:

British Admiralty Nautical Chart 3967: Gulf of Thailand

this guide is not only a valuable aid to mariners

040 makes every 4 inches on the chart equal to one second of longitude

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2 Depth of Influence

Engineroom Logbook KM-313 (31 Days) Philippine Sea British Admiralty Nautical Chart 3967:31 day coverage. 14 x 8. 5 in. This logbook was specifically designed for large twin screw offshore supply vessels with automated engine room equipment. Original (white) with yellow and pink perforated duplicate and triplicate copies. Reusable carbon paper. 14 x 8. 5 in. logbook for vessels with 4 engines 31 day coverage 3 carbon copies lays flat