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).
Notification regarding the modification of five thrust bearings (GB.2035) to include a preload.
| Identifier | ExFiles\Box 102\4\ scan0150 | |
| Date | 15th November 1937 | |
| GWH.{George W. Hancock - Head Chateauroux} Thrust Bearings. Referring to the five bearings GB.2035 which you claimed had no preload, kindly note these have now been returned by the makers after being modified with a preload of .001 - .0015, and they are being forwarded to 'K' marked for your attention. BY.18/N.15.11.37. BY.{R.W. Bailey - Chief Engineer} | ||