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).
Note on performance gains from a 112° camshaft and higher compression.
| Identifier | ExFiles\Box 23\4\ Scan023 | |
| Date | 25th August 1930 | |
| -4- He/Ru.T/AL.25.8.30. Contd. gain due to the 112° camshaft and higher compression. | ||