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).
Graph plotting depression in the mixing chamber against R.P.M. for a standard and a converted carburettor.
| Identifier | WestWitteringFiles\M\2Jan1925-March1925\ Scan32 | |
| Date | 15th January 1925 guessed | |
| No. 4 CARBURETTERS E.A.C. DEPRESSION IN MIXING CHAMBER. 40/50 CARB. ON E.A.C. 4.12 COMP. RATIO. DEPN. IN CARB. MIXING CHAMBER STD. 40/50 CARB. CONVERTED E.A.C. CARB. WITH 900 & 600 HIGH & LOW SPEED THTS. RESP. CONVERTED E.A.C CARB DEPRESSION INS. HG. R.P.M. FULL LOAD ON THROTTLE | ||