File:Beavertail Light 4th order Fresnel lens.jpg
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Summary
| Description |
English: 4th order fixed "beehive" Fresnel lens. This was the last such lens installed at Beavertail Light in Jamestown, Rhode Island, USA.
Source: http://www.beavertaillight.org/history.html |
| Date | |
| Source | Own work |
| Author | RoySmith |
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File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 19:44, 24 September 2017 | | 2,415 × 3,978 (6.73 MB) | RoySmith | User created page with UploadWizard |
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