Naylor, A.H. <br/><br/>
The study of time and clocks /    
A.H. Naylor. 
 - London :   Bodley Head,   1959. 
 - 47 p. :    col. ill. ;    21 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Time --Measurement.------
<br/><br/><label>Dewey Class. No.: </label>529