The New American Practcial Navigator by Nathaniel Bowditch

Hardcover. Condition: Good. 1868. Government Printing Offce (Washington). Illustrated.

...being an epitome of navigation containing all the tables necessary to be used with the nautical almanac n determining the latitude, longitude by lunar observations and keeping a complete reckoning at sea illustrated by the proper rules and examples. 

The whole exemplifeid ina  jural kept from Boston to Baderia in which all rules of navigation are introduced.

Also demonstrating the uual rules of trigonometry, problems in mensuration, surverying, and gauging; dictionary of sea terms and the manner of performng the most useful evolutions at sea.

Including an appendix containing methods of calculating eclipses of the sun and moon and occultations of the fixed stars, rules for fnding the longitude of a place by observation of eclipses, occultation and transits of the moon's limb over the merdian, also a new method for finding the laitude by two altitudes. 

The American Practical Navigator (colloquially often referred to as Bowditch), originally written by Nathaniel Bowditch, is an encyclopedia of navigation. It serves as a valuable handbook on oceanography and meteorology, and contains useful tables and a maritime glossary.