Magnetic Compass Deviation and Correction, 3rd Edition Bridge Log Books British Admiralty Nautical Chart 160:

British Admiralty Nautical Chart 160: Saint Abb's Head to the Farne Islands is a standard nautical chart

courses and marinas

The development of this Commentary was in response to a demand by INTERTANKO Members for INTERTANKO to assist them in familiarising themselves with the revised rights and obligations

letting you get the most from weather maps and forecasts

Height: 11 in (27

Magnetic Compass Deviation and Correction, 3rd Edition Bridge Log Books British Admiralty Nautical Chart 160:In addition to dealing with the properties of magnets and the earth's magnetism, three chapters are devoted to the magnetism of the ship, the third explaining in detail the reason for, and composition of, the "nine rods". The relation of the components P, Q and R and the rods to the various coefficients are fully explained. This publication has a great deal of hitherto unpublished information. There are about 70 diagrams, a few in colour, to simplify