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).
Disassembled rear hub, brake drum, and associated bearings.
| Identifier | ExFiles\Box 127\1\ scan0290 | |
| Date | 1st January 1929 guessed | |
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