Hoadley, George A.  1848-1936. <br/><br/>
Teachers' manual,  Essentials of physics, 
by George A. Hoadley. 
 - Rev. ed. 
 - New York,  Cincinnati [etc.]  American book company  [c1921] 
 - 70 p.  diagrs  18 cm. 
<br/><br/><label>LCCN: </label>ca 21000497  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Physics.
<br/><br/><label>LC Class. No.: </label>QC23  / .H73