Valkenburgh, Van <br/><br/>
Basic synchros & servomechanisms 

 - London  The technical press  1964 
 - 118p.  P.1 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Control engineering<br/>Engineering
<br/><br/><label>Dewey Class. No.: </label>629.8323  / VAL