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).
From Rm/Clapham to HPS regarding the modification of valve chambers for 7.B.V. rear dampers.
| Identifier | ExFiles\Box 99\3\ scan0083 | |
| Date | 1st June 1938 | |
| To HPS.{Horace Percy Smith - Experimental Factory Mgr} from Rm{William Robotham - Chief Engineer}/Clapham. 442 Rm{William Robotham - Chief Engineer}/Clm.{D. D. Clapham}6/JH.1.6.38. re 7.B.V. rear dampers. Will you please have one pair of valve chambers F.86037 and F.86038 modified to the attached sketch to take the same valve as SCD.429. Rm{William Robotham - Chief Engineer}/Clapham. | ||