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).
Curve for the relay advance mechanism developed by the Experimental Department for the Phantom model.
| Identifier | ExFiles\Box 48\2\ Scan411 | |
| Date | 5th November 1926 | |
| - 2 - BY3/H. 5.11.26. Experimental Dept. developed in connection with the relay advance mechanism at present used on the Phantom. A copy of this curve would, I think, meet Mr.North's requirements. BY. {R.W. Bailey - Chief Engineer} | ||