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).
Clutch modification involving a print for the bottom cover and felt seal, which modifies a previous scheme.
| Identifier | ExFiles\Box 110\1\ scan0077 | |
| Date | 28th March 1941 | |
| To Rm.{William Robotham - Chief Engineer} from Rm{William Robotham - Chief Engineer}/HH. c. to Ev.{Ivan Evernden - coachwork} c. to Ev{Ivan Evernden - coachwork}/JD.{J. Draper - Frames} 712. Rm{William Robotham - Chief Engineer}/HH.7/SW.28.3.41. M.40. CLUTCH. Herewith print of PL.520 showing modification to Bottom Cover and Felt Seal. Above scheme modifies PL.355. Rm{William Robotham - Chief Engineer}/HH. Prints to Rm{William Robotham - Chief Engineer}/HH. Ev.{Ivan Evernden - coachwork} Ev{Ivan Evernden - coachwork}/JD{J. Draper - Frames} & Ashby. | ||