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).
Progress of an indicator for an engine operated by oil pressure.
| Identifier | ExFiles\Box 79\3\ scan0035 | |
| Date | 23th September 1919 | |
| To R.{Sir Henry Royce} from EH. c. to BN.{W.O. Bentley / Mr Barrington} c. to E.{Mr Elliott - Chief Engineer} x.2981 EH11/LG23.9.19. 23rd. Sept. 1919. INDICATOR FOR ENGINE OPERATED BY OIL PRESSURE. We find that all the parts for this are practically completed. We ought to have it working on a car engine within the next two weeks. EH | ||