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 component modifications, test results, and status updates.
| Identifier | ExFiles\Box 92\3\ scan0320 | |
| Date | 16th June 1937 | |
| -5- Rm{William Robotham - Chief Engineer}/AFM.{Anthony F. Martindale} | Ferodo S.5803 or FZ. | Standard production. Light squeaks when wet. Generally satisfactory during test. NS.{Norman Scott}4929. | Increased travel for hand brake to give lighter operation. | Sheet issued. D.75898/7/8. | Friction device and deletion of air damper on self starter. | Instructed for production. Sheet awaiting Rm{William Robotham - Chief Engineer}'s sanction or further running on 32-EX. Cork inserts on 35-EX failed. Sheet incorporates cork disc. Lucas. | Petrol Pump Switch | Standardised. HR.Sch. 1015 | Revised position of junction box under radiator to improve accessibility. | Sheet to be issued. Rm{William Robotham - Chief Engineer}/Wat. | "Glowray" Ballast resistance. | Standardised. Sheet issued. R.Sch. 845. | Mod. to cutout to reduce voltage drop. | Standardised. Sheet issued. LeC.5392. | Rubber tail pipe suspension. | Satisfactory for standardisation after inspection to confirm. H.S.4907. | Modification to lubrication (bijur) of main fulcrum pin of front suspension. | Sheet issued. Rm{William Robotham - Chief Engineer}/Std. | Gauze filter between bottom tank of radiator and pump to protect impellor from solder, etc. | Sheet issued. | ||