British Standard Institution <br/><br/>
Old Circuit Breakers For A.C. System No. 

 - 1st Ed. 
 -  BSIL  1956 
 - 369p.  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-21
<br/><br/><label>Dewey Class. No.: </label> / BRI