From the Rolls-Royce experimental archive: a quarter of a million communications from Rolls-Royce, 1906 to 1960's. Documents from the Sir Henry Royce Memorial Foundation (SHRMF).
Difficulties with tyre mileage and comparing figures for India and Dunlop tyres.
| Identifier | ExFiles\Box 158\2\ scan0007 | |
| Date | 28th March 1939 | |
| 1339? To Rm.{William Robotham - Chief Engineer} Rm{William Robotham - Chief Engineer}/FD.{Frank Dodd - Bodies}9/JH.28.3.39. Tyre mileage has been rather difficult lately in the garage owing to the numerous changes by steering experts. Our figures come out as follows. India. 5.50 x 18. Average mileage. Front 7,261. Rear 6,295 Dunlop. 6.15 x 17. Front 5,174 Rear 4,809. Attached figures from Lillie Hall. Rm{William Robotham - Chief Engineer}/FD.{Frank Dodd - Bodies} | ||