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).
Brief memo acknowledging a previous communication regarding the Hobson Petrol Gauge.
| Identifier | ExFiles\Box 44\2\ Scan117 | |
| Date | 25th April 1928 | |
| S/W *3 x4038 C5/C25.4.28 Re HOBSON PETROL GAUGE. Thanks for your Hs{Lord Ernest Hives - Chair}2/LG24.4.28, and I note the position. C. | ||