This is the Corps that employed optical genius, Agustin-Jean Fresnel. Although some lighthouses were already using lenses, they weren’t using the special Fresnel-style lenses. There had been ...

Making a traditional glass lens requires a lot of experience, skill, and patience grinding a piece of glass to the required shape, and is not for the casual experimenter. Making a glass Fresnel ...

PORT TOWNSEND — Point Wilson Lighthouse is lit once again with its original 1879 Fresnel lens. Out of commission for decades, the historic lens was relit on Oct. 29. “Relighting this historic ...