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).
List of proposed modifications and tests for vehicle components, page 2.
| Identifier | ExFiles\Box 5a\4\ 04-page110 | |
| Date | 28th August 1934 | |
| -2- Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer}18/KW.28.8.34. (9) Rear Engine Cross Member - This should be reinforced as found necessary from the Bump tests. (10) Drilled up Connecting rods with oil holes for improved lubrication (11) Modifications to slipper wheel to prevent centre plate breaking. (12) Modification to spare wheel carrier brackets inside frame (see Salia) | ||