Copy letter from Michael Foster, to Sir Francis Knollys, K.C.M.G [Knight Commander of the Most Distinguished Order of Saint Michael and Saint George] 'Sir, I am instructed to request that you will have the goodness to lay before His Royal Highness the Prince of Wales the accompanying congratulatory Address from the Royal Society on the occasion of the marriage of the Duke of York. I have the honour to be, Sir, your obedient servant, M Foster Sec. R.S. [Secretary, Royal Society]'. 28 June 1893