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).
List of six modifications to be carried out on the 44-PK car.
| Identifier | ExFiles\Box 69\4\ scan0035 | |
| Date | 13th April 1926 | |
| RHC.{R. H. Coverley - Production Engineer} from Hs{Lord Ernest Hives - Chair}/Rn.{Mr Robinson} X8770 Hs{Lord Ernest Hives - Chair}/Rm{William Robotham - Chief Engineer}2/LG13.4.26. 44-PK CAR. X8410 X8770 Will you please carry out the following modifications to this car :- 1. Fit standard 40/50 pre front wheel brake axle to the car. 2. Fit Rectaskids on the present front springs. 3. Fit Hydraulic shock absorbers on the front. 4. Fit 2000 lbs. rear springs. 5. Fit Rectaskids on these rear springs. 6. Fit Hydraulic shock absorbers to the rear. Hs{Lord Ernest Hives - Chair}/Rn.{Mr Robinson} | ||