Walker, R.C. <br/><br/>
Electronic equipment and accessories: a concise introduction to the principles of electronics and their applications in industry  R.C. Walker. 

 - London  George Newnes  1945 
 - viii, 394p.: ill. 22 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electronic apparatus and appliances Electronics  Electronic instruments. 
<br/><br/><label>Dewey Class. No.: </label>621.381028  / W13E