Rogers, Henry Raymond,  1822-1901 <br/><br/>
New and Original Theories of the Great Physical Forces  [electronic resource] / 
Henry Raymond Rogers 
 -  Project Gutenberg,  2008 
 - Project Gutenberg  24883 .
<br/><br/> Public domain in the USA. 
<br/><br/>Electronic text 
<br/><br/><label>Subjects--Index Terms: </label>Physics Astronomy 
<br/><br/><label>LC Class. No.: </label>QC QB