Poynting J H <br/><br/>
Mean density of the earth 
Poynting J H 
 -  1894 
 - p.  cm. 
<br/><br/><label>Standard No.: </label>38495 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Astronomy<br/>Mathematics
<br/><br/><label>Dewey Class. No.: </label>B91:623, C4