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).
Recommendation to change the oil pressure gauge for the 40/50 chassis by removing the red warning mark.
| Identifier | ExFiles\Box 40\1\ Scan006 | |
| Date | 27th May 1919 | |
| To EY. from EH. c. to EN. EH2/LG27.5.19. 27th. May 1919. OIL PRESSURE GAUGE FOR 40/50 CHASSIS. X.3524 The Pressure Gauges we used before the war use to read up to 4 lbs. and have a red mark at the 2 lbs. position. Now that we make the Air Pumps so that they will pump up at 3 lbs., we consider that we should leave this red mark off. We see no use in the red mark and we recommend that we should simply have a plain dial reading up to 4 lbs. EH. | ||