20/03/2010Vita ed energia dal Sole
Arc_Nebbia_Solare_31_072_05
31.72 Fresh water from the sea (Sunwater Company solar stills installations). Concrete blocks were used to serve as form for a solid concrete pump base, just above high tide. 220 feet of corrosion-resistant pipe bring water to the pump from below low tide. A gasoline engine drives it 400 feet to the reservoir fot the stills, at 45 feet elevation.