Resourceful American, Mr. Teslonian presented his vision of a ballistic single-shot weapons. Unlike most inventions here for energy transfer projectile uses a high pressure inside the barrel, which is achieved by pumping air through the pump. Unfortunately, the author demonstrates just one shot, after which used the shell was destroyed, which gives an idea of the power of such an unpretentious and awkward “guns.”
Read another very interesting article about alternative energy of the Sun, water and air.