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Credit
Report on the physical condition of the Assam tea plant : with reference to geological structure, soils, and climate / by John M'Clelland ; presented to the Agricultural Society of Calcutta, 8th February, 1837, by desire of the Right Honourable Lord Auckland. Public Domain Mark. Source: Wellcome Collection.
Provider
This material has been provided by The Royal College of Surgeons of England. The original may be consulted at The Royal College of Surgeons of England.