Lloyd, Humphrey  <br/><br/>
A treatise on magnetism, general and terrestrial 
Humphrey Lloyd 
 - London  Longmans, Green, and Co.  1874 
 - xv+239p.  diagrams; maps; tables 
<br/><br/><label>ISBN: </label>978-3742831057 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Magnetism
<br/><br/><label>Universal Decimal Class. No.: </label>537.6+550.38  / LLO