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.