Boat Lantern with Red and Blue Lenses

Boat lantern with red and blue Fresnel glass port and starboard lenses. The lantern has a polished steel case with a brass cap and carry ring. Flange on rear has "Patented April 1st, 1913." Very nice lenses, and the oil burner is present. A choice little nautical antique.

Weight:    3 lbs.
Overall Dimensions:    8"H x 5" Dia
Made:    America
Material:    Brass
Date:    1913