A 4th Order Fresnel Lens on display in the lighthouse, this is the same size as the original lens in the Alki Point Lighthouse
Alki Point Lighthouse History & Tours
My Boating Adventures & Adventures in Boating Safey
Alki Point Lighthouse History & Tours
A 4th Order Fresnel Lens on display in the lighthouse, this is the same size as the original lens in the Alki Point Lighthouse
Boating Safety Tips, Tricks & Thoughts from Captnmike 
