Roberts.John.A. <br/><br/>
Spring Design &Calculations. 

 - 11th Ed. 
 -  Technical Reserach Laboratory Redditch.  1961 
 - 122p.  24 cm. 
<br/><br/><br/>Text in English 
<br/><br/><label>Subjects--Facted Index Terms: </label><br/>MECH
<br/><br/><label>Index Terms--Genre/Form: </label><br/>M-12
<br/><br/><label>Dewey Class. No.: </label> / ROB