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).
Compilation of a summary for 40/50 side steering tubes.
| Identifier | ExFiles\Box 68\1\ scan0235 | |
| Date | 5th May 1928 | |
| To BY/HEB.{H. Biraben} from Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer} +8450 Hs{Lord Ernest Hives - Chair}/Rm{William Robotham - Chief Engineer}1/LG3. 5. 28. 40/50 HP. STEERINGS. +8450 We are trying to compile a summary of the 40/50 side steering tubes on the same lines as the worm and nut details which you recently got out. Attached is a list which is correct to the best of our knowledge. We are not quite certain whether the side steering tube ends, marked with asterisks, have ever been fitted on production to a car. Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer} | ||