Plastic tube of cascara sagrada tablets, by Burroughs Wellcome and Co, England, from Sir Ernest Shackleton's medical kit, 1907 Cascara sagrada tablets from Shackleton's medical kit
Plastic tube of potassium permanganate tablets by Burroughs Wellcome, English Potassium permanganate tablets
Glass bottle with glass stopper, containing permanganate of potash tablets, sealed, by the Oceanic Chemical Co. Inc., 53 Fulton Street, NYC, New York, United States. Glass bottle with glass stopper
