LSE4077186 Deposition, by oxidation, of the colouring matter: deposit in a sight which has been emptied for six months without flowers or any disease. 400/1 microscopic view. Study on wine 1866 by Pasteur. by Unknown Artist, (19th century); Musee Pasteur, Institut Pasteur, Paris, France; (add.info.: Deposition, by oxidation, of the colouring matter: deposit in a sight which has been emptied for six months without flowers or any disease. 400/1 microscopic view. Study on wine 1866 by Pasteur.); Photo ?? Leonard de Selva.