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).
Consumption and condition of Avon Special tyres for a car.
| Identifier | ExFiles\Box 97\5\ scan0130 | |
| Date | 17th March 1939 | |
| ( 2 ) N.S.F. Avon Special 4 ply 6.50x16 Nearly smooth 30052654 Tyre No. 9562 O.S.F. " " " " " 4481 3512 9560. These are all we have had, there is not a good tyre for this car left on the premises. The average tyre consumption is therefore, 39 tyres for 44,747 miles (the total mileage of the car) or 4,600 miles per set of tyres approximately. We intend to return to you all Dunlop Special 4 ply and Avon Special tyres including the pair in position on the balanced wheels. We trust that this gives all the information you ask for in your memo Rm{William Robotham - Chief Engineer}/Gry.{Shadwell Grylls}8/MH.{M. Huckerby}17.3.39. ----- Rm{William Robotham - Chief Engineer}/IMW.{Ivan M. Waller - Head of Chateauroux} Frank. Waller. | ||