Seven white ceramic fermentation vessel from apparatus used in experimental work with penicillin (laboratory apparatus; penicillin)
Brown rectangular metal penicillin fermentation vessel from apparatus used in experimental work with penicillin (laboratory apparatus; penicillin)
Apparatus used in experimental work with penicillin, United Kingdom, 1939-1949 (laboratory apparatus)
Brown circular metal penicillin fermentation vessel from apparatus used in experimental work with penicillin (laboratory apparatus; penicillin)