Hinks Duplex Victorian Oil Lamp with a Blue Nailsea Glass Font. Bulging glass font in a blue swirl pattern, supported by a silver metal neoclassical styled base composed of a tapered square column set on a stepped base. Hurricane shade included. 'Hinks Duplex Patent' impressed in black plastic on the end of a knob. 'Hinks & Sons Patent' engraved directly below in the metal. England. 19th century. {Approximate dimensions including shade: 25 high x 6 1/2 inches diameter.}. Condition: Wear to silver metal. Small scratches and dings to the glass.