Chemical report on the mode of detecting vegetable substances mixed with coffee for the purpose of adulteration / by Professor Graham, Dr. Stenhouse and Dugald Campbell.

Licence: Public Domain Mark

Credit: Chemical report on the mode of detecting vegetable substances mixed with coffee for the purpose of adulteration / by Professor Graham, Dr. Stenhouse and Dugald Campbell. Source: Wellcome Collection.

Provider: This material has been provided by the Royal College of Physicians of Edinburgh. The original may be consulted at the Royal College of Physicians of Edinburgh.