Naylor, A. H. <br/><br/>
The study book of time and clocks / 
by A. H. Naylor ; illustrated by Heather Copley 
 - London :  Bodley Head,  1959 
 - 47 p. :  col. ill. ;  21 cm. 
 - Study books .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Time--Juvenile literature<br/>Clocks and watches--Juvenile literature
<br/><br/><label>Dewey Class. No.: </label>681