Central Electricity Generating Board (Great Britain) <br/><br/>
The Quiet room  [Films]. 
Central Electricity Generating Board. 
 - London  CEGB 
<br/><br/> Minutes of play 20 
<br/><br/><label>ISBN: </label> 0.00 
<br/><br/><label>Subjects--Personal Names: </label><br/>Electric power distribution.<br/>Electric power production.