- 1Papers of J O P Hughes (HUG)
c 1950 - Autumn 1975, fonds - 2Research notes & papers (HUG/1)
15 May 1948 - 18 August 1969, series - 3Drawings (HUG/2)
c 1950, series - 4Printed material (HUG/3)
23 June 1947 - Autumn 1975, series - 5Photographs (HUG/4)
5 July 1960 - 3 November 1961, series - 6File containing correspondence and minutes of meetings with British Transport Commission (HUG/1/1)
6 April 1951 - 24 November 1961, file - 7File containing patent specifications (HUG/1/2)
11 October 1950 - 16 May 1962, file - 8File containing correspondence and reports on the Union Pacific Railroad Company (HUG/1/3)
21 October 1950 - 3 January 1964, file - 9File containing correspondence, tracings, hand drawn sketches, photographs with W G Allen concerning the design of the GT locomotive. Papers include diagrams concerning transmission and drives (HUG/1/4)
15 May 1948 - 31 July 1968, file - 10File containing an article on ‘High Speed Trains Plan – Gas Turbines to halve times’, reports on GT3 fuel and electrical systems, reasons for Gas Turbine not starting, notes of Rubber Spring Gear Development for Railways, Metalstik Limited, locomotive drawings (HUG/1/5)
7 November 1966, file - 11File containing a 15 page document titled ‘The Gas Turbine Locomotive G.T.3’ (HUG/1/6)
c 1960, file - 12File containing notes on discussion on ‘Practical design criteria for high speed bearings’ at the Institution of Mechanical Engineers on 4 March 1955, a magazine articleon the lubrication of gears, a paper 'The Short Bearing Approximation for Plain Journal Bearings and a chart showing viscosity of ‘Shell’ turbo oils vs temperature in degrees C (HUG/1/7)
May 1954 - November 1955, file - 13Exercise book containing locomotive gear train data, a Christmas card, and correspondence (HUG/1/8)
c 1955, file - 14File containing a report in Russian of Gas Turbine Locomotives with electric (a.c.) transmission by S A Gromov and L A Sevcenko and a translated version (HUG/1/9)
1962, file - 15File containing an address to the Rugby Engineering Society regarding the gas turbine locomotive G.T.3, two copies of 'Locomotive Controls' report, a report regarding the English Electric gas turbine locomotive, correspondence to Hughes from Rugby Engeering Society, press release of 'English Electric gas turbine on show' and best recorded performances of steam & diesel-electric locomotives up the 5.5 mile climb from Tebay to Shap summit (HUG/1/10)
8 November 1962 - ? 1965, file
