Keywords: Monorail by Louis Brennan from Mayo.jpg Brennan gyrostat monorail Louis Brennan from Mayo invented a gyroscopically-balanced monorail In 1903 he patented a system that he designed for military use and successfully demonstrated it on 10 November 1909 in Gillingham England James O'Shea http //www irishcentral com/roots/the-top-ten-major-irish-contributions-to-the-world-169020126-237527571 html The top ten major Irish contributions to the world unknown photographer 1909-11-10 PD-old Brennan monorail |