Hood, Peter  <br/><br/>
How time is measured 
Peter Hood 
 - Oxford  Oxford University Press  1955 
 - 64p.  illus 
 - Oxford Visual Series .
<br/><br/><label>ISBN: </label>198366159 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Time
<br/><br/><label>Universal Decimal Class. No.: </label>529.7  / HOO