Magnetical observations /  Observatory at madras ; under the superintendence of w. s. jacob in the years 1851-1855 ; publised by order of the madras government 
Made at the honorable east india company's : 
 - vi, 247 páginas 
<br/><br/><label>Subjects--Corporate Names: </label><br/>Observatory at Madras
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geomagnetismo--Observaciones
<br/><br/><label>LC Class. No.: </label>QC820  / M34