An antique Swedish maritime lantern, early 20th century, with maker's mark of System Dalen made by Aga Gas Accumulator Stockholm, and designed by Nobel Laureate, Gustav Dalen, in brass, copper and glass, a large lantern designed for use on probably a buoy, and bearing a brass maker's plaque to the base; Gustav Dalen founded the Aga Company which also patented the Aga cooker. Height 67 cm