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).
Letter from Ferodo Limited regarding the characteristics of a clutch facing material (RAD.13).
| Identifier | ExFiles\Box 141\3\ scan0115 | |
| Date | 1st November 1932 guessed | |
| From FERODO LIMITED. Sheet No. 2 Messrs. Rolls-Royce Limited, DERBY. actually it was designed for working in oil and there is no doubt that the material possesses all the characteristics that should be inherent in a first-class clutch facing material. If you would like to try out a set or two of RAD.13 we shall be pleased to send them to you if you will be good enough to let us know the dimensions required. Yours faithfully, FERODO LIMITED [Signature] CHIEF ENGINEER. | ||