So, the problem is exacerbated by the invention of refrigeration private for their own use. Made of plastic pipe consists of a rectangular frame with a clothesline. Then a white cotton stretched straight. Smooth as row after row Apart piece about 1 inch below a tray of water. Important to have "the pump" draws water from the tray up the hose line runs across the fabric instead of letting it drip onto fabric. The water then gradually Droplets penetrate the fabric into the tray below. The pump pulls water to drop steadily. Every piece of fabric is wet all the time. Later it was just fans home. The wind through the fabric wetlands The wind blows, it will be cold and wet, more.