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).
Graph showing the effect of temperature on the wear of Ferodo M.R. friction lining.
| Identifier | ExFiles\Box 120\1\ scan0317 | |
| Date | 12th February 1941 | |
| 900 EFFECT OF TEMPERATURE ON FRICTION LINING WEAR. REPRODUCTION OF CURVE FOR FERODO M.R. DATED 20-9-40. FIGURE 8. Y-Axis: LOSS IN WEIGHT PER SQ. IN. PER HOUR. X-Axis: B.H.P. PER SQ. IN. OF LINING. Rm{William Robotham - Chief Engineer} for HSR 12-2-41 | ||