The Life & character of Robert Watt : who was executed for high treason at Edinburgh, the 15th October, 1794 : from personal acquaintance and the most unquestionable channels of information : containing among other interesting particulars, an account of the remarkable wickedness of his youth, --his after pretensions to religion, --the singular and surprising manner of his being discovered and apprehended, --his behaviour during his confinement and on the day of his execution : together with his letters and their answers, written after his condemnation : to which is prefixed, a striking likeness of Robert Watt, with an exact representation of the pikes and other instruments found in his possession.