SPIES. W H <br/><br/>
Power machines. N5 
W.H. Spies. 
 - Johannesburg :   Troupant,   1985. 
 - 157 pages :   illustrations ;   25 cm 
<br/><br/><label>ISBN: </label>9781919780382 (paperback) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Machinery<br/>Machine theory
<br/><br/><label>Dewey Class. No.: </label>ST 621.4 SPIE