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).
Instruction to fit a Thermoid faced driven plate to a car's clutch and test the springs.
| Identifier | ExFiles\Box 103\1\ scan0247 | |
| Date | 5th November 1937 | |
| HPS.{Horace Percy Smith - Experimental Factory Mgr} RM{William Robotham - Chief Engineer}/FD.{Frank Dodd - Bodies} 512 Rm{William Robotham - Chief Engineer}/NRC.{N. R. Chandler}1/JH.5.11.37. re 22.G.VI. Please fit a Thermoid faced driven plate to the clutch of the above car, also please test the clutch springs and let me have a report before reassembling. Rm{William Robotham - Chief Engineer}/NRC.{N. R. Chandler} | ||