Unable to diagnose a 'thump' in Mr. Raymond Mays' engine due to insufficient information.
| Identifier | ExFiles\Box 90\4\ scan0048 | |
| Date | 1st May 1936 | |
| W/S {Derby Works / Sales} - C. X261 Hs {Lord Ernest Hives - Chair} /Rm. {William Robotham - Chief Engineer} 23/KW.1.5.36. C14/C.30.4.36. I am afraid I cannot throw much light on the causes of the thump in Mr. Raymond Mays' engine, as the information is too scanty to form an opinion. Hs {Lord Ernest Hives - Chair} /Rm. {William Robotham - Chief Engineer} | ||
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).