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).
Specification memo for facing a Phantom III clutch plate.
| Identifier | ExFiles\Box 93\3\ scan0282 | |
| Date | 9th March 1937 | |
| 312 To HPS.{Horace Percy Smith - Experimental Factory Mgr} γ Rm{William Robotham - Chief Engineer}/Smth.2/JH.9.3.37. PHANTOM III - CLUTCH. Will you please face a clutch plate with R.A.D.11 material, to the following specification :- (1) .040 cushioning. (2) 150 chamfer as on 32-EX. Rm{William Robotham - Chief Engineer}/Smth. | ||