COCOA AND 

 CHOCOLATE 



Their History 

 from Plantation to Consumer 



By 



ARTHUR W. KNAPP 



B.Sc. (B'ham.), F.I.C., B.Sc. (Lond.) 



Member of the Society of Public Analysts; Member of the Society 



of Chemical Industry ; Fellow of the Institute of Hygiene. 



Research Chemist to Messrs. Cadbury Bros., Ltd. 



LONDON 



CHAPMAN AND HALL, LTD. 

 1920 



