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).
Listing four experiments regarding vehicle components and a chronograph.
| Identifier | ExFiles\Box 65a\2\ scan0015 | |
| Date | 15th August 1928 | |
| To RHC.{R. H. Coverley - Production Engineer} from Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer} X4663 X7770 Hs{Lord Ernest Hives - Chair}/Rml/LG15. 8. 28. We have the following experiments in hand which we should like to clear up as soon as possible :- (1) Semi isolation for 17-EX. (2) Modification to Chronograph. (3) Standard 40/50 slipper flywheels of reduced weight. (4) Cadmium plated rear springs on 3.EX and 12-EX. Front springs on both cars to be removed and examined to see if the cadmium plating has worn off, as they are squeaking. Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer} | ||