Midlands mathematical experiments  : in metric units and decimal currency 

 - London:  George G. Harrap,  1967. 
 -  Vol. 1. part A & B 
<br/><br/><br/>eng 
<br/><br/><label>ISBN: </label>24553307 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics-Experiments
<br/><br/><label>Dewey Class. No.: </label>510.262  / MIM