Universal Projection Electroscope : The 'Harris" Modern Physics Series 

 - England:  Philip Harris Limited Birmingham, 
 - 45p.;  ill.  25cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electricity & electronics
<br/><br/><label>Dewey Class. No.: </label>537.2  / UNI