Rhode Island Lighthouses
Back| Block Island North Lighthouse's Fourth Order Fresnel Lens 2008 |
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| IMG_0070, September 27, 2008 Flickr Creative Commons photo by Tim O'Reilly |
| Block Island North Lighthouse's Fourth Order Fresnel Lens 2008 |
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|
| IMG_0070, September 27, 2008 Flickr Creative Commons photo by Tim O'Reilly |
© 2004 R. Holmes. Do not reproduce any part of this website without permission of the author.