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).
Hand-drawn diagram with notes specifying a cam profile for Right Hand (R.H.) drive cars.
| Identifier | ExFiles\Box 12\5\ 05-page174 | |
| Date | 30th December 1929 guessed | |
| This is for R.H. Cars L.H. Cars have no brake countershaft in consequence have a different cam. 1.786 G77414 35° CAM. G77583 | ||