Fowke & Aston's black oils are invaluable amongst horses and cattle, in all cases of bruises occasioned by the saddle, swellings, fistula, ulcer, sore shoulders : also to sheep when bitten by dogs, and ewes when bruised in lambing : or when applied in time to any serious wound, will prevent gangrene / prepared only by Fowke & Aston, chemists, Stafford.
Original public domain image from Wellcome Collection