The high potency of penicillin when first partially purified. Photograph, 194- (?).

[Place of publication not identified] : [publisher not identified], [between 1940 and 1949?]

1 photograph : transparency ; image 5 x 7 cm

Wellcome Collection 749999i

The item catalogued was presented to the Wellcome Library by Professor Lawrence Paul Garrod (1895 1979). Garrod was professor of bacteriology at St Bartholomew's Hospital, London, which was one of the first four hospitals outside Oxford to experiment with the therapeutic properties of penicillin. Garrod was a member of the original Medical Research Council committee on clinical trials of penicillin. The present slide and others from Garrod arise from these experiences