Feather,Norman .  <br/><br/>
Mass, length and time / 
Norman Feather. 
 - Baltimore,   Penguin Books  1961. 
 - 358 p. ; 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Measurement.
<br/><br/><label>LC Class. No.: </label>QC39