Francis, T.G. <br/><br/>
Electrical Installation Work 

 - 5 
 - London  English Language Book Society & Longman Group Lmt  1978 
 - p.337 
<br/><br/><label>ISBN: </label>0582426251 
<br/><br/><label>Subjects--Topical Terms: </label> Electrical Heating  Illumination  Telephones 
<br/><br/><label>Dewey Class. No.: </label>621.31042 F818E