Oersted, H.C. <br/><br/>
Discovery of electromagnetism made in the year 1820 by oersted (Published for the oersted committee at the expense of the state, by Absalon Larsen Copenhagen)   
by H.C. Oersted. 
 - Copenhagen  Absalon Larsen  1920 
<br/><br/><label>Dewey Class. No.: </label>530.141  / N20