Pugsley's Tides: Standard Methods of Computing the Times of High Water and Low Water as Required at the U.S. Local Inspectors Examinations; an Examination Specialty
R.M. Pugsley, 1916 - 128페이지
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12 hours High 14 lunar day Add 1 day add the high add the low added applicant astronomical date carry civil time P.M. coastwise steam vessels convert the astronomical course day and sub day and subtract day Low water direction distance examination experience feet fishing gives the moon's grade Greenwich gross tons High water ast High water civil High water interval hours High water hours to convert hours west inspectors interval High water interval Low water January less than 12 license Light-house Low water civil Low water interval lunar day Low master mate of ocean Moon's lower transit Moon's upper transit N. A. Cor navigation officer pass person pilot points port renewal result rules sail vessels Service ship side signals starboard storm subtract 12 hours tack United water interval High water interval Low white light wind