For the Pennsylvania Maga-l INI.1/E.script ion cf a ;;t*w invented I Incline,for denning and dcauf-ing Docks, c.Mr. AITKEN,A S I prcfumc your Magazine x3L is Ci.lculr.lL-! Mr ufeful improve meet as well as pleaiiiii/ a-muicir-.eist, I herewith lend you :idr:illf' on Inn-..“ and removing beds of gravel, c, and that tile inventor of this very “ uft*ful machine, ought to be re-commended to the particular no-“ t ice of the next Aflembly, for“ that encouragement which his u merit entitles him to.Charles Humphreys Samuel Miles Jrfeph ftrrce Jofiph EilatMichael Hillegafs Will. RodmanSc: mini Ilh cads“ Upon confideration of the