RIPLEY DOUBLE FONT ''MARRIAGE LAMP'': A rare find indeed. D.C. Ripley blue glass double font with match well center has raised letters ''DC Ripley Pat. Pending''. Connected by a patent dated brass screw connector to an opaque white Atterbury ''Gem'' base. No. 1 Queen Anne burners, Scovill thumbwheels. Straw marks, mold imperfections, and faint age cracks to base. 19 1/2''h. overall including glass chimneys.