ACTION OF LIGHT.
661
Influence of Sunlight.
Dye-ware.
French whites withextra# of indigo,orchil, and chlorideof tin.
Logwood black.
From three to eight days.Bluer.
No change.
Three months.
Orchil quite bleached,leaving a greenishwhite.
Chrome,greenish; cop-peras, little change.
Wool, no change ;cotton, greenish.
Aniline black.