English: Flasks used in the cultivation of penicillin mold for wide scale production. One of the first flasks (center) made using a biscuit tin. Ceramic flasks (rear) were used in production of penicillin. (Historical Collections, National Museum of Health and Medicine, M-722.10002, M-722.10003 and M-722.10227)
Source
National Museum of Health and Medicine
Author
Armed Forces Institute of Pathology Medical Illustration Service
Other information
Photograph is unpublished U.S. Federal Government work Product.