 Bowles experimented with using the Ewing System for transporting construction material during the laying of railway tracks for Bengal Nagpur Railway Company.This experiment allowed him to perfect the monorail based on the Ewing System which he subsequently used to construct the Patiala State Monorail Trainways at Patiala.Bowles, who was born in Homerton, died in 1965 in Gloucestershire, England.