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).
Request to the Test Department to quieten a dynamo that moans at low and medium speeds.
| Identifier | ExFiles\Box 57\2\ Scan055 | |
| Date | 13th December 1926 | |
| X5783do Mr. Clark. 13.12.26. 20 HP. 57.J. TEST DEPT. Herewith dynamo No.S.5.H. Moans very badly at low and medium speeds. This is the one we demonstrated to your Mr. Allen on Saturday last. Will you please quieten. (sgd) J.{Mr Johnson W.M.} Daykin. | ||