Photograph showing a broken spring retaining ring from a ball race housing assembly.
| Identifier | ExFiles\Box 136\2\ scan0356 | |
| Date | 28th December 1942 guessed | |
| SHOWING BROKEN SPRING RETAINING RING (BALL RACE HOUSING ASSEMBLY). B3 BP 335 R & M | ||
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).