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Credit
Saccharine, benzoyl sulphonic-imide, Dr. Fahlberg's new sweetening agent made from coal-tar ... : a compilation of the results obtained since its introduction, by the scientific researches of learned men and through the practical experience of experts / by Adolph List, a partner of the firm of Fahlberg, List & Co., saccharine works. English ed. Public Domain Mark. Source: Wellcome Collection.