Contents include correspondence, press cuttings and invitations relating to Hughes published paper ‘Design and Development of a Gas Turbine Locomotive’ and subsequent lectures performed, and the paper being awarded the T A Steward Dyer award, a document on English Electric Gas Turbine locomotive, biographical notes on J O P Hughes, three pages from ‘Diesel Railway Traction’ January 1957, locomotive drawings, charts documenting tractive effort, loco speed etc., hand-written notes, a hand-written address to the Rugby Engineering Society

Railway Magazine, synopsis, ‘The Gas Turbine Locomotive GT3 and a ‘The Oil Engine and Gas Turbine’ magazine.