Blueprint showing five different configurations for an exhaust manifold connection.
| Identifier | ExFiles\Box 93\2\ scan0063 | |
| Date | 1st July 1935 guessed | |
| 17 A EXHAUST MANIFOLD. 18 B 19 C. 20 A₂ 21 HS {Lord Ernest Hives - Chair} 2014. | ||
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).