In 1874, the St. Augustine Lighthouse Fresnel lens began to light the way for mariners and other travelers in the area. That occasion, 144 years ago, will be celebrated at the site from 11 a.m. to 3 p ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. In the early nineteenth century, ...

An integral piece of the lighthouse once used to safely guide ships into port in Georgetown is now on display in the city at the South Carolina Maritime Museum. The Fresnel lens was unveiled during a ...

The most important thing to know about Fresnel lenses, before casually attempting to drop them into conversation, has to do with phonetics: "Fresnel" is pronounced "Fruh-NEL." If the silent "S" makes ...