Letter from J Broughton, Government Quinologist, to Revenue Department, Government of Madras, 31 July 1871, analysing cinchona barks from different plantations in India. Letter from John Eliot Howard at Tottenham to Under Secretary of State for India, 16 January 1872, responding to Broughton’s r...
An administrative history of the recent cultivation and export of cinchona, compiled from the records by F C Danvers, India Office, 30 June 1883. Discusses the Madras plantations, the commercial value of different kinds of bark, and the future of the market. Includes tabular statement of the quan...
Report on the investigation and collection of plants and seeds of the India-rubber trees of Para and Ceara and balsam of Copaiba [all in Brazil], by Robert Cross. With black-and-white illustrations of tree-tapping for rubber and balsam, and of rubber preparation. Cross discusses the relative suit...