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Four donkeys inhaling foetid gas and having their backs scrubbed with vitriol; representing John St. John Long's fatal method of therapy. Etching by H. Heath, 1830.
Four donkeys inhaling foetid gas and having their backs scrubbed with vitriol; representing John St. John Long's fatal method of therapy. Etching by H. Heath, 1830.
Original public domain image from Wellcome Collection
Public DomainFree CC0 image for Personal and Business use