Crane, P. H. G.  <br/><br/>
Switchgear principles / 
P. H. G. Crane. 
 - London :   Cleaver-Hume Press,  c 1957. 
 - vii, 238 p. :  ill. ;  21 cm. 
<br/><br/> Includes index. 
<br/><br/>345  345 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electric switchgear.
<br/><br/><label>Dewey Class. No.: </label>621.317 / C85s