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).
Diagram illustrating a cross-section of the radiator bottom tank and its centre mounting.
| Identifier | ExFiles\Box 119\2\ scan0353 | |
| Date | 12th October 1931 guessed | |
| FIG II RADIATOR BOTTOM TANK E81372 10.500" To CENTRE MOUNTING | ||