Gehardi.C.H.W. <br/><br/>
Electricity Meter Their Construction &Management. 

 - 2nd Ed. 
 -  Benn Brothers Ltd.  1956 
 -  23 cm. 
<br/><br/><br/>Text in English 
<br/><br/><label>Subjects--Facted Index Terms: </label><br/>ELEC
<br/><br/><label>Index Terms--Genre/Form: </label><br/>D-16
<br/><br/><label>Dewey Class. No.: </label> / GEH