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).
Cross-sectional diagram of a mechanical assembly featuring a rubber block.
| Identifier | ExFiles\Box 104\4\ scan0074 | |
| Date | 1st December 1931 guessed | |
| G51852, G51689, RUBBER BLOCK, 4 CK{Mr Clark} | ||