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).
Instruction regarding the rounding off of the top edges of a distributor rotor finger.
| Identifier | ExFiles\Box 61b\2\ scan0119 | |
| Date | 5th May 1930 | |
| X7690 5.5.30. With reference to rounding off of top edges of distributor rotor finger as per EFC7/AD24.2.30, this was instructed to production 25.2.30. | ||