Planes similar to this came with several additional parts. They were designed for use in dadoing, rabbeting, tonguing and grooving, beading,slitting and sash cutting. It could also be used as a filleister and with special cutters, as a Reeding Plane. Sargent & Co. were in operation from 1887 to 1964.Plane with wooden handle (mahogany) and fence plate. Adjustment points for various uses."SMB" on handle. "SARGENT" on metal near handle.plane, dadoing, rabbeting, tongue and groove, beading, slitting, sash cutting, sargent, united states of america