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).
Instruction to apply an anodic oxidisation process to aluminium petrol filter covers to prevent corrosion.
| Identifier | ExFiles\Box 106\2\ scan0202 | |
| Date | 12th April 1937 | |
| [redacted] c. Rm{William Robotham - Chief Engineer}/GVH. BY/HEB{H. Biraben}12/M.12.4.37. BENTLEY CHASSIS. PETROL FILTER ON 2ND.CROSSMEMBER. SEC:7140. We have instructed by Alteration No:16735/F that Alum: Filter Covers F.88175, should be given an "Anodic Oxidisation Process", to prevent corrosion. Please fit new Covers to Expl:Cars. It applies also to Phantom III., 25/30 HP., and Wraith III. copy made copy for Rm{William Robotham - Chief Engineer} Moore BY/HEB.{H. Biraben} Aeb | ||