Man and machines / 
edited by James Mitchell 
 - London :  Mitchell Beazley Encyclopaedia Ltd.,  c1972. 
 - 264p. :  ill. ;  30 cm. 
 - The Joy of Knowledge Library .
<br/><br/><label>ISBN: </label>0855331062 
<br/><br/><label>LCCN: </label>
<br/><br/><label>Subjects--Topical Terms: </label><br/>Technology<br/>Popular works.
<br/><br/><label>LC Class. No.: </label>T47  / .M24 1972