“The Mixing Room, Opium Factory at Patna India”

“In the Mixing Room the contents of the earthen pans are thrown into vats and stirred with blind rakes until the whole mass becomes a homogeneous paste.”

- The Truth about Opium Smoking, 1882

Image:
Illustrations of the mode of preparing the Indian opium intended for the Chinese market from drawings by Captain Walter S. Sherwill.

Source: Cornell University Library