The drying room, opium factory at Patna, India
The drying room, opium factory at Patna, India, lithograph, 20.2 x 27.5 cm, ca. 1850, artist: Maclure, Macdonald & Macgregor lith. after a drawing by W. S. Sherwill; source: Wellcome Collection https://wellcomecollection.org/works/xz7s9dx6, Attribution 4.0 International (CC BY 4.0) https://creativecommons.org/licenses/by/4.0/.