Time and clocks.  [book] 

 - London :  Macdonald Educational,  1971. 
 - 31 p. :  ill., map. 
 - Macdonald first library ;  32 .
 - Macdonald first library .
<br/><br/>Includes index. 
<br/><br/><label>ISBN: </label>0356037843 :  350 
<br/><br/><label>LCCN: </label>
<br/><br/><label>Subjects--Topical Terms: </label><br/>Time.<br/>Clocks and watches.
<br/><br/><label>LC Class. No.: </label>QB 209  / T577 1971 
<br/><br/><label>Dewey Class. No.: </label>529 ORA