Frost, A. <br/><br/>
Marine gyro compasses for ships' officers 

 - 1St Ed. 
 -  Brown, Son & Ferguson, Ltd.  1982 
 - xix, 145 
<br/><br/><label>ISBN: </label>851744265, 
<br/><br/><label>Dewey Class. No.: </label>Column-2