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).
Instructions for modifying an umbrella-type ignition distributor rotor.
| Identifier | ExFiles\Box 61b\2\ scan0072 | |
| Date | 19th September 1927 | |
| X 7690 C. EFC. BY/RD3/AL.19.9.27. IGNITION DISTRIBUTOR - SEC:8) 20. To enable the umbrella type rotor to be used with a standard make and break finger, will you please have two made up using a moulding D.71333. The existing keyway should be plugged up with a piece of wood, to prevent any person taking the rotor off and then not being able to replace same and a new keyway cut to agree with the drawing D.71423. Will you please hand these to EFC. for fitting to Distributors which he already has. | ||