>>Click to enlarge (Size: 172,951 bytes)<< Boston Harbor Light was not only the first lighthouse in America, it is also the home of this magnificent Second Order Fresnel Lens, which has been in operation for 144 years. Now, Harbour Lights presents a Special Limited Edition of 5,500 replicas capturing the intricate design that made the Fresnel Lens--"the Jewel of the Lighthouse"--a revolution in technology at the time. Each lighted acrylic lens is mounted on a wood-like resin base and requires 2 "AA" batteries (not included). 9" x 3".