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).
Instructing to additionally fit Hartfords to the rear of car 12-EX.
| Identifier | ExFiles\Box 51\4\ Scan138 | |
| Date | 5th April 1928 | |
| X4426 To RHC. {R. H. Coverley - Production Engineer} from HsRn. Hs {Lord Ernest Hives - Chair} /Rm {William Robotham - Chief Engineer} 2/LG5.4.28. X7410 The Sports type of rear springs are fitted to 12-EX car. Will you therefore please additionally fit Hartfords to the rear of this car. Hs {Lord Ernest Hives - Chair} /Rm. {William Robotham - Chief Engineer} | ||