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).
Extract detailing alterations to the petrol tank for the American model.
| Identifier | ExFiles\Box 154\3\ scan0089 | |
| Date | 27th September 1919 | |
| X.3687. Extract from R6/G27.9.19. RE AMERICAN MODEL PETROL TANK Altered to suit reversed position of silencer This is to be fitted with separate partition to give warning when commencing last two gallons. Petrol indicator level had better be of the magnetic type. | ||