VALUE ORBITS or EQUIVALENCE 



or 



VARIOUS COMMODITIES IN 



RELATION CENTRAL UNIT OE VALUE(C0lb) 



A JHLHl §*££L °™ £ ® 



THE RESPECTIVE ECCENTRICITIES INDICATE THE 



DIFFERENCE OF PRICE-RANGE BETWEEN YEARS 



I8J0 * /S33 . 



I 



>,R IRON 



(P.W 



