Text page from The Boy Mechanic, Book 3, page 135. Submitted by Stanley L. Swift, 1919. This boat is to fold into three separate parts, hinged together, which nest inside one another, and are clamped together in an open position when on the water. If built the way it is pictured here, I am sure the boat would neither float, fold, nor be portable in any practical sense. I set about solving these problems and making a workable Portable Folding Boat, as closely as possible to the original design, but using modern materials.