In this edition, there are several improvements which include:

    Increase in content to cover the entire theory and practicals needed for all levels of officers.
    Inclusion of colour drawings to not only make them attractive but also to better illustrate their contents.
    Removal of the Havesine formulae in calculations as this has become extinct nowadays, as scientific calculators are used by most people afloat and ashore.
    Change from the earlier ‘Amplitude’ of the sun and moon to the ‘Rising/setting azimuth’ which is easier and has been used in ‘Norie’s Nautical Tables’.

Author : Capt. H. Subramaniam

Publisher : Vijaya Publication

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