"New York's online news and entertainment magazine."
Wednesday, September 24, 2014
"Fourth Order Fresnel Lens" The Maine Windjammer Project
"Fourth Order Fresnel Lens" by Doug MIlls
Fourth order Fresnel lens (1856) still in use in the Owls Head Lighthouse. [09-29-2013]
www.mainewindjammerproject.com
www.shootmainestudios.com
No comments:
Post a Comment
Newer Post
Older Post
Home
Subscribe to:
Post Comments (Atom)
No comments:
Post a Comment