Retro 51 Nikola Tesla - Fountain PenFuturist, inventor, electrical and mechanical engineer, Nikola Tesla was a genius well ahead of his time. His inventions are still being used to this day and his theories were so advanced that they continue to be studied, experimented on and even power the modern world. This Tornado's design was inspired by Tesla's spiral coil used in his wireless power experiments. Concentric circles are acid etched into the cap and barrel then plated in copper and