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).
Small carburetter for the Spectre engine, confirming there is no appreciable power difference between two sizes.
| Identifier | ExFiles\Box 93\2\ scan0005 | |
| Date | 20th November 1933 | |
| To E.{Mr Elliott - Chief Engineer} from Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer} C. Her. By.{R.W. Bailey - Chief Engineer} Kullard 308 Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer}10/HT.20.11.33. SMALL CARBURETTER FOR SPECTRECodename for Phantom III ENGINE. Further to our Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer}2/KT.13.11.33, we have now confirmed our previous figures, and attach a power curve which shows that there is no appreciable difference between the two different sizes of carburetter. Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer} | ||