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).
The performance of 'Perfect oil seals' fitted to the rear axles of three Bentley chassis.
| Identifier | ExFiles\Box 84\4\ scan0250 | |
| Date | 24th June 1937 | |
| To Bentley Motors Ltd. Derby......... Rm{William Robotham - Chief Engineer}/Gry.{Shadwell Grylls} +202 Levallois Sr/VAI/ET.24.6.37 Re: BENTLEY REAR AXLES. "Perfect oil seals" With further reference to Hs{Lord Ernest Hives - Chair}/Gry.{Shadwell Grylls}17/KW.7.10.36 and to our Sr/VA4/ET.25.1.37, please note the following: CHASSIS B.60.GA - Paris Trials Car - Has now covered 35.203 Kms. since we fitted the special oil seals which you sent us and no trouble has occurred, due to oil leakage. CHASSIS B.131.DK - VITURAT - Has covered about 15.000 Kms. since the fitting of the special seals and is also O.K. CHASSIS B.137.EJ - COZZICA - We have not seen this car since it left for Egypt last year. Sr/VA. | ||