Pennsylvania state laboratory water car, owned by the Pennsylvania Department of Health: two men are shown standing in front of the motor vehicle. Photograph, 1910/1930?.

Date:
[1910/1930?]
Reference:
582399i

Licence: Public Domain Mark

Credit: Pennsylvania state laboratory water car, owned by the Pennsylvania Department of Health: two men are shown standing in front of the motor vehicle. Photograph, 1910/1930?. Wellcome Collection. Source: Wellcome Collection.

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