Valkenburgh, Van <br/><br/>
Basic synchros & servomechanisms / 
Van Valkenburgh 
 - Part. I 
 - London :  The Technical Press,  1964 
<br/><br/>Includes appendices ; bibliograhy ; glossary & index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Servomechanism
<br/><br/><label>Dewey Class. No.: </label>621.3134  / VAL