Hardy, Herbert Wilfrid <br/><br/>
Compound change gear and indexing problems 

 - London :   Machinery Publishing Co.Ltd,  1952. 
 - 80p.  : ill.   22cm.  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Gearing<br/> Tables<br/>calculations
<br/><br/><label>LC Class. No.: </label>PAM TJ185.H35