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).
Numbered list of component updates and engineering notes, page 2.
| Identifier | ExFiles\Box 181\M11\ img025 | |
| Date | 18th April 1917 | |
| EHL/AT18.4.17. -2- X.1422 12. Aluminium brake straps. X 13. No intermediate bearings to propeller shaft. 14. Gleason double gears in rear axle. x.2650 15. Rear springs and brackets are being made so that springs can be changed from above to below the axle. X.762 16. Truffault shock absorbers. X.3014 17. Lucas dynamo. X.2095 18. Dunlop wheels and over-size tyres. EH. | ||