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).
Two-rate charge scheme, confirming a dynamo is ready and instructing to complete switchbox modifications on chassis 22-EX.
| Identifier | ExFiles\Box 62\3\ scan0211 | |
| Date | 6th March 1931 | |
| X6004. RHC.{R. H. Coverley - Production Engineer} from EFC. c/c Hs{Lord Ernest Hives - Chair}/AJL. EFC4/AD6.3.31. X.6016. TWO-RATE CHARGE SCHEME. X.6004. Further to our EFC1/AD31.1.31, will you please note that medium output dynamo S.S.2. is now duly tested and ready to go on 22-EX. We trust that you have taken the necessary steps towards the modification of the switchbox on 22-EX as instructed in our note above referred to and that you will now complete the change on this chassis 22-EX to a system similar to that on Sg{Arthur F. Sidgreaves - MD}'s car 58-GN. EFC. CAP. | ||