Say M G Ed. <br/><br/>
Rotating amplifiers 

 -  1954 
 - p.  cm. 
 - Electrical engineering progress series; 2 .
<br/><br/><label>Standard No.: </label>74489 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electrical measurements
<br/><br/><label>Dewey Class. No.: </label>D66:78, J41