Locke, John,  1792-1856. <br/><br/>
Observations on terrestrial magnetism. 
By John Locke. 
 - [Washington,  Smithsonian Institution,  1852] 
 - 29, [1] p.  33 cm. 
 - Smithsonian contributions to knowledge,  vol. III, art. 1 Smithsonian Institution publication 35. .
<br/><br/><label>LCCN: </label>s  13000013  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geomagnetism--Observations.
<br/><br/><label>LC Class. No.: </label>Q11  / .S68