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 revert to bronze bushes on PH.III overdrive gearboxes.
| Identifier | ExFiles\Box 94\2\ scan0308 | |
| Date | 13th January 1937 | |
| To HPS.{Horace Percy Smith - Experimental Factory Mgr} from Rm{William Robotham - Chief Engineer}/Gry.{Shadwell Grylls} 3 8 Rm{William Robotham - Chief Engineer}/Gry.{Shadwell Grylls}1/AP.13.1.37 PH.III. GEARBOX. In view of the decision to revert to bronze bushes on overdrive gearboxes, will you please fit bronze bushes in Gearbox No.15.HS.{Lord Ernest Hives - Chair}, and arrange the dimensions so that the clearance is the minimum allowed by the limits. We wish this box to be put on 35-EX. so as to be able to modify No.16.HS.{Lord Ernest Hives - Chair} also. Rm{William Robotham - Chief Engineer}/Gry.{Shadwell Grylls} | ||