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).
Requesting parts to be made to modify a vibration test rig.
| Identifier | ExFiles\Box 167\2\ img004 | |
| Date | 14th January 1937 | |
| 6103 To EJJ. from Lr{Mr Ellor}/Wst. Lr{Mr Ellor}/Wst.14/AP.14.1.37. VIBRATION TEST RIG. Will you please have made for us as soon as possible a set of parts which will enable us to convert the amplitude of vibration on the above to .014" i.e. an eccentricity of .007" Lr{Mr Ellor}/Wst. | ||