Survival Seawater, Solar Stills & Seeps Fresnel Lens and parabolic mirror DESALINATION Part1

From: GREENPOWERSCIENCE

Added: 18 years ago · 10:01 · 480p

Using a large Fresnel lens and parabolic mirror to boil 5 gallons of water or wort. This is the extended version. Part 1 of a 4 part ...