Rare Boon NAVIGATION.
Dert. Moore, John Hamilton, @.1807.
“Xa The seaman's complete daily assistant, and new
-792 mariner's compass: being an easy method of keep-
.M78S ing a journal at sea ... The whole exemplified in A journal from the Lizard to the island of St. Mary's, and every day's work pricked off upon a Mercator's chart. To which is prefixed A short and easy treatise on arithmetic ... To this edi- tion is added, the use of Hadley's quadrant, and Mercator's chart, with many valuable improve-
ments. By John Hamilton Moore ... The fourth edition.