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 oil flow through bearings against engine RPM for car 11 EX.
| Identifier | ExFiles\Box 71\3\ scan0161 | |
| Date | 14th May 1926 | |
| OIL FLOW THROUGH BEARINGS CAR 11 EX. OIL TEMP: 60°C WATER TEMP: 80°C OIL PRESSURE 14-36 LBS/D" OIL FLOW PTS/MIN. ENGINE R.P.M. | ||