Bowditch, Nathaniel LL.D. <br/><br/>
American practical navigator :  an epitome of navigation / 
Nathaniel Bowditch,. 
 - Washington, DC :  Naval Oceanographic Office,  1966. 
 - 1524 p. :  ill. ;  26 cm. 
<br/><br/>Includes index. 
<br/><br/> Open access. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Navigation.<br/>Nautical astronomy.