| Description | The agreement of 1715 between John Watt and Samuel McGun for the teaching of navigational skills lists twenty skills to be taught, including: ' To find the leap year and when any of the fixed stars comes on the meridian '; ' To find how many miles sailing directly east or west in any latitude makes a degree of longitude '. Payment was to include a fee and a quire of paper, a new hat when the pupil first became mate on a ship, and a pair of gloves when he married. |