Blackwood, Oswald H. (Oswald Hance), 1888-1953.  Blackwood, Oswald H. (Oswald Hance), 1888-1953. <br/><br/>
General physics / 
by Oswald H. Blackwood and others. 
 - 3rd ed. 
 - Tokyo :  Toppan Co.,  [1963] 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Physics.