Towers I D <br/><br/>
Tower's international transistor selector 

 -  1977 
 - p.  cm. 
<br/><br/><label>Standard No.: </label>36512 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Telecommunication<br/> Transistor<br/>Communication
<br/><br/><label>Dewey Class. No.: </label>D65,43, L7