Sylvester, C. <br/><br/>
Wireless telegraphy and Hertizian waves 

<br/><br/> PE mean Physics, Electricity and Magnetism Page 450-456 in A to Z Register (Acc. No. Pe1-Pe205) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Physics Electricity and Magnetism
<br/><br/><label>Dewey Class. No.: </label>Pe205