Graph comparing the performance (B.HP vs Engine R.P.M.) of standard vs. air silenced carburettors.
| Identifier | ExFiles\Box 13\3\ 03-page251 | |
| Date | 22th October 1930 guessed | |
| AIR SILENCED CARBURETTER STANDARD EXHAUST SYSTEM B.H.P. ENGINE R.P.M. STANDARD CARBURETTER:- COMPLETELY SILENCED CARB:- AIR VALVE RELIEF HOLES IN COMPLETELY SILENCED CARB. | ||
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).