# @stauglighthouse on Instagram

- **Type:** Image
- **Original URL:** https://www.instagram.com/p/C4tU9XlOwdM
- **Gondola URL:** https://gondola.cc/posts/12261567-stauglighthouse-instagram
- **Thumbnail:** https://img.gondola.cc/tr:w-,h-,fo-auto/thumbnails/161cf81cb6.jpg
- **Posted:** 2024-03-19T19:52:30.000+00:00
- **Account Owner:** St. Augustine Lighthouse & MM (@stauglighthouse) — https://gondola.cc/stauglighthouse

## Caption

💡French physicist/mathematician Augustín Fresnel developed a lens system in the early 19th century to redirect more light from a light source than ever before. His invention, called the Fresnel lens, redirects more light than the previous mirror-based devices.

The St. Augustine Lighthouse, built in 1874, received a first order Fresnel lens from Parisian lens maker Sautter, Lemonnier & Cie. Louis Sautter had been making lenses since 1852, though he merged with Lemonnier in 1870. Sautter reconfigured the company again in 1890 to become Sautter, Harlé & Cie. Our lens has 370 individual prisms and weighs roughly 2 tons. A 1000-watt light bulb currently serves as it light source, as they have since the tower was electrified in 1936.

📍staugustinelighthouse.org

📸: davidlong3653 

#staugustinelighthouse #lens #fresnellens #staugustine #lovefl #lighthouse #light #museum #moon #fullmoon #march #saintaugustine #nonprofit #historicpreservation

## Stats

- **Views:** 0
- **Likes:** 431
- **Shares:** 0
- **Comments:** 3

## Tags

lovefl, historicpreservation, saintaugustine, fresnellens, staugustinelighthouse, moon, lighthouse, fullmoon, march, lens, museum, nonprofit, staugustine, light

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