Lythall, R.T.  <br/><br/>
The J&P switchgear book : an outline of modern switchgear practice for the non-speacialist user  (Book) 

 - 7th ed. 
 - London  Newnes-Butterworths  1972 
 - 800 p.  24 cm. 
<br/><br/><label>ISBN: </label>0408000694 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electric controllers--Handbooks, manuals, etc. Electrical switchgear--Handbooks, manuals, etc.
<br/><br/><label>Universal Decimal Class. No.: </label>621.316.3 LYT  / 10027