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).
Wellworthy booklet on A.C.9. bearings, stating there are no technical comments to offer.
| Identifier | ExFiles\Box 115\2\ scan0532 | |
| Date | 29th February 1940 | |
| Wn. Rm.{William Robotham - Chief Engineer}2/ML.29.2.40. A.C.9. bearings. Herewith the Wellworthy booklet on We have no technical comments to offer upon the matter contained therein. Rm.{William Robotham - Chief Engineer} | ||