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 2
Cut the 1-by-4 redwood side pieces to the proper length. Drill a 1/8-inch hole as a guide, and then drill three 5/8inch holes and one 3/4-inch hole.
D.S. HALACY