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).
Anodical treatment of aluminium cylinder head tubes.
| Identifier | ExFiles\Box 18\3\ Scan064 | |
| Date | 17th January 1930 | |
| To Ps. From Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer} x7960. Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer}9/MJ.17.1.30. ALUMINIUM CYLINDER HEAD TUBES. With reference to your Ps13/13.1.30 on this subject. We are now anodically treating the aluminium tubes in the cylinder head. Tests shew that this treatment will be an improvement. Supplies of tubes can be obtained from Derby. Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer} | ||