How to Build a Solar Still

Some redwood boards, a large black towel, copper pipe, a glass pane, screws, and these plans are all you need to make a solar still that will purify more than a gallon a day of salt water.

029 solar still - fig 3
For the bad water trough, drill a hole in the very center of the angle iron to receive the center 1/4-inch copper drain tube.
D.S. HALACY