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).
Request to fit standard pistons to engine or component 4-B.IV.
| Identifier | ExFiles\Box 86\2\ scan0190 | |
| Date | 26th April 1934 | |
| <~ 236 To RHC.{R. H. Coverley - Production Engineer} Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer}5/KW. 26.4.34. Will you please fit standard pistons to 4-B.IV. Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer} | ||