Simpson, Alexander.  <br/><br/>
Navigation guide /  
Alexander Simpson.  
 - Glasgow :   Brown, Son & Ferguson,   c1991.  
 - vii, 299 p. :   ill. ;   22 cm.  
 - Navigation guide, v. 2.  .
<br/><br/><label>ISBN: </label>0851745334 9780851745336 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Nautical astronomy -- Handbooks, manuals, etc. <br/>Nautical astronomy. <br/>Navigation. 
<br/><br/><label>Dewey Class. No.: </label>623.89  / SIM