Theory and Practice of Navigation

16 Maps angle ATLAS Cape Cape Cornwall Cape Lopez changes her longitude circle cloth lettered Co-mid-lat compass course consisting of 32 correct cosine course and distance degree of longitude Difference of lat difference of latitude difference of longitude direction dist Duncansby Head earth Edinburgh University equator error find the compass find the course find the difference Find the mid-latitude find the true formulæ GEOGRAPHY given glass runs Henry Evers hour latitude 44 latitude and departure latitude and longitude LL.D log difference log line logarithm London magnetic course Mercator's chart Mercator's sailing meridian distance mid-lat middle latitude sailing nautical miles needle noon ORGANIC CHEMISTRY parallel of latitude parallel sailing plane sailing Plymouth poles Required the compass rhumb line sails from latitude ship sails ship's head subtract Suppose traverse table triangle true course variation 1 points variation and deviation vessel wind