The Economist :  guide to weights & measures / 
compiled by Statistical Department of the Economist 
 - London :  Economist,  c1962 
 - 95 p. ;  25 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Weights and measures<br/>Electric measurements
<br/><br/><label>Dewey Class. No.: </label>389.1