Hine, Alfred. <br/><br/>
Magnetic compasses and magnetometers. 

 - London,  Hilger,  1968. 
<br/><br/>Bibliography: p. 375-380. 
<br/><br/><label>ISBN: </label> L.10/10- 
<br/><br/><label>LCCN: </label>68139718 //r85 
<br/><br/><label>Nat. Bib. No.: </label>B68-18817 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Compass.<br/>Magnetometer.
<br/><br/><label>LC Class. No.: </label>QC819  / .H55 
<br/><br/><label>Dewey Class. No.: </label>681/.2