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).
Performance curves for a 12 Cylinder Lagonda.
| Identifier | ExFiles\Box 128\3\ scan0101 | |
| Date | 17th May 1940 | |
| 1104 To Rm.{William Robotham - Chief Engineer} Jnr.{Charles L. Jenner}6/JH.17.5.40. 12 Cylinder Lagonda. Herewith are the curves for horse power, B.M.E.P., torque, and petrol consumption. Will you please return the original to me after you have obtained any blue prints that you require. Jnr.{Charles L. Jenner} | ||