Grant, George Abernethy Alexander <br/><br/>
The ship?s compass  including general magnetism, theory, practice, and calculations relating to magnetic and gyro compasses 
G. A. A. Grant, J. Klinkert. 
 - London,  Routledge and K. Paul  1970. 
 - 603 p., 5 plates.  illus. (some col.)  23 cm. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>0710065221 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Compass