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).
Anodic oxidation of RR.53 pistons.
| Identifier | ExFiles\Box 86\2\ scan0282 | |
| Date | 1st November 1934 | |
| To H1. (Lab.) x236 Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer}15/KW.1.11.34. Anodic Oxidation of RR.53 Pistons. Referring to H1.1/AG.22.10.34, we are now running these pistons for which you will have our results in due course. Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer} | ||