A PAIR OF GILTMETAL-MOUNTED BRONZE TWO-LIGHT COLZA-OIL LAMPS by Canfield & Brother, each with tapering urn-shaped reservoir and cylindrical shaft flanked by foliate-entwined tubes and cylindrical burners, with modern frosted glass tulip shades, on square base with scroll and paw feet and a concave-sided canted square base, each burner with pressed metal label of CANFIELD & BROTHER BALTIMORE WARRANTED, second quarter 19th Century