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).
Confirmation memo to the Works Laboratory regarding the zinc plating of twelve cast iron rings.
| Identifier | ExFiles\Box 121\3\ scan0156 | |
| Date | 3rd October 1941 | |
| 1029. To Mr. Aspley (Works Laboratory). Rm{William Robotham - Chief Engineer}/MHR.{M. H. Rigby}2/SW.3.10.41. This is to confirm that you are going to zinc plate to 0.001" thick, the twelve Cast Iron rings which are at the Sand-blast. Also that you will ring me as soon as they are ready. Rm{William Robotham - Chief Engineer}/MHR.{M. H. Rigby} | ||