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Fluctuations of Menthol prices = blue line 



- Peppermint oil prices = red line 



from 1901 to 1914 1 ) 



calculated in L.s.d. and Yen per kin. 



O: nominal quotations. 



• : actual business transactions. 



The figures in the first column on the left give the 



actual production of Peppermint Oil in kin = [ ]. 





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