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).
List of experiments and improvements including supercharging, system silencing, and clutch engagement.
| Identifier | ExFiles\Box 3\6\ 06-page211 | |
| Date | 2nd July 1934 | |
| -3- Ha/Rn{Mr Robinson}:16/KW. 2.7.34. (4) Supercharging experiments. (5) Increased silence of intake, fan and exhaust system. (6) Improved clutch engagement. Ha/Rn{Mr Robinson}: | ||