HOPWOOD, H <br/><br/>
ALTERNATING CURRENT MOTOR WINDINGS COVERING THE DESIGN AND MANUFACTURE OF WINDINGS FOR ALL TYPES OF AC MOTOR FREQUENCY CHANGERS BOOSTERS AND CONVERTURES 

 - BOMBAY  D. B. TARAPORALA  1950 
 - 320P 
<br/><br/><label>Dewey Class. No.: </label>621.46 HOP'A