The new American practical navigator; being an epitome of navigation; containing all the tables necessary to be used with the Nautical almanac, in determining the latitude; and the longitude by lunar observations; and keeping a complete reckoning at sea ... the whole exemplified in a journal, kept from Boston to Madeira ... To which are added, some general instructions and information to merchants, masters of vessels, and others concerned in navigation, relative to maritime laws and mercantile customs ... Enriched with a number of new tables, with original improvements and additions, and a large variety of new and important matter