STONE,ELLERY <br/><br/>
ELEMENTS OF RADIOTELEGRAPHY 
ELLERY W. STONE 
 - LONDON  CROSBY LOCKWOOD AND SON  1920 
 - 267 
<br/><br/> PE mean Physics, Electricity and Magnetism Page 450-456 in A to Z Register (Acc. No. Pe1-Pe205) 
<br/><br/><label>Dewey Class. No.: </label>PE27