A critical dissertation upon the manner of the preparation of mercurial medicines, [electronic resource] : and their operation on human bodies; particularly those most in fashion: Also, A Demonstration that all the Methods hitherto invented, in order to convey Quick-Silver internally into the Blood, retaining its metalline Texture and Properties, have proved abortive. As also, A certain Method of introducing the same Metal in its essential or native Dress internally into the Blood; and the Manner of it mechanically, explain'd; not publish'd before. Address'd to the Royal College of Physicians, London. By T - K - a member of the same.