The Copper base stands 7 1/4" high, 6 1/2" diameter. Old gold paint, wing nut attachments. Navigation also known as a running or position light is a source of illumination on a vessel. They give information on a craft's position, heading and status. Turned on between dusk and dawn to indicate position and size.The item "1900s Antique ELISHA WEBB & SON SHIP NAUTICAL LANTERN / NAVIGATION GREEN LIGHT" is in sale since Thursday, December 12, 2019. This item is in the category "Antiques\Maritime\Maritime Lamps & Lighting". The seller is "lbinanas" and is located in Bridgeville, Delaware. This item can be shipped to United States.