Public Domain Mark
You can use this work for any purpose without restriction under copyright law. Read more about this licence.
Credit
Studies on fermentation : the diseases of beer, their causes, and the means of preventing them / by L. Pasteur ; a translation, made with the author's sanction, of Etude sur la bière ... by Frank Faulkner and D. Constable Robb. Public Domain Mark. Source: Wellcome Collection.