A man, seen in silhouette wearing a hat, driving a car, the speedometer of which is going over the 30 miles per hour mark which is in the form of a road sign indicating the speed limit. Colour lithograph after Pat Keely, 1947.

Attribution 4.0 International (CC BY 4.0)

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Credit

A man, seen in silhouette wearing a hat, driving a car, the speedometer of which is going over the 30 miles per hour mark which is in the form of a road sign indicating the speed limit. Colour lithograph after Pat Keely, 1947. Attribution 4.0 International (CC BY 4.0). Source: Wellcome Collection.