Van Valkenburgh, <br/><br/>
Basic synchros and servomechanisms in Two parts / 
Van Valkenburgh, Nooger & Neville 
 - Part.1 & Part.2  
 - J.F.Rider Publisher  New York,  1955 
 - 111 p  illus  24 cm 
<br/><br/><label>LCCN: </label>55011758 
<br/><br/><label>Subjects--Personal Names: </label><br/>Van Valkenburgh,
<br/><br/><label>Subjects--Topical Terms: </label><br/>Basic synchros and servomechanisms
<br/><br/><label>Dewey Class. No.: </label>629.8323,VAL