Tybee Island in Chatham County, Georgia — The American South (South Atlantic)

First Order Fresnel Lense

Photographed By Craig Doda, November 12, 2022

1. First Order Fresnel Lense Marker

Inscription. Tybee Lighthouse was re-classified as a major aid to navigation in 1866 and a First-Order Fresnel lens was installed in 1867. The lens, with a height of 9 feet and a 6-foot diameter, has 320 glass prisms. Lard was used to keep the light lit in 1867, kerosene in 1887, and electricity in 1933.

Topics and series. This historical marker is listed in these topic lists: Communications • Waterways & Vessels. In addition, it is included in the Lighthouses series list. A significant historical year for this entry is 1866.

Location. 32° 1.342′ N, 80° 50.738′ W. Marker is on Tybee Island, Georgia, in Chatham County. Marker is on Meddin Drive, on the right when traveling south. Touch for map. Marker is at or near this postal address: 30 Meddin Dr, Tybee Island GA 31328, United States of America. Touch for directions.

Other nearby markers. At least 8 other markers are within walking distance of this marker. The 4th Tybee Island Lighthouse 1867-Present (here, next to this marker); Lighting the Tybee Lighthouse (here, next to this marker); Life at the Tybee Island Light Station (here, next to this marker); Who Controls the Tybee Lighthouse? (here, next to this marker); Journal of the Light-House Station (here, next to this marker); The 3rd Tybee Lighthouse Survives Destruction (here, next to this marker); Changing Day Marks of the Tybee Light

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(here, next to this marker); The 3rd Tybee Island Day Mark Lighthouse 1773-1861 • Damage to the 3rd Tybee Lighthouse 1861 (here, next to this marker). Touch for a list and map of all markers in Tybee Island.

Photographed By Craig Doda, November 12, 2022

2. First Order Fresnel Lense Marker

Tybee Island Light image. Click for full size.

Photographed By Craig Doda, November 12, 2022

3. Tybee Island Light

Photographed By Craig Doda, November 12, 2022

4. First Order Fresnel Lense Marker

Credits. This page was last revised on January 4, 2023. It was originally submitted on November 18, 2022, by Craig Doda of Napoleon, Ohio. This page has been viewed 101 times since then and 19 times this year. Photos: 1, 2, 3, 4. submitted on November 18, 2022, by Craig Doda of Napoleon, Ohio. • Andrew Ruppenstein was the editor who published this page.