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).
Diagram showing a cutaway of a ball bearing and the effects of abrasive lubricants.
| Identifier | ExFiles\Box 114\1\ scan0101 | |
| Date | 11th January 1937 guessed | |
| Fig. 19 HIGH PRESSURE BETWEEN BALL AND CAGE CAUSE LAPPING ACTION ON BALLS WHEN RUN IN ABRASIVE LUBRICANTS | ||