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).
Continued list of component modifications and additions.
| Identifier | Morton\M1.2\ img021 | |
| Date | 16th May 1927 guessed | |
| contd:- -2- 21. Petrol level indicator. 22. Modified Autovac tank. 23. Permanent wiring scheme. 24. New exhaust pipe to suit magneto drive. 25. Magneto drive and controls. 26. Latest ignition governor. 27. Steel slipper wheels - wire metal bearings. 28. Modified fan bracket to raise centre for fan. 29. Also larger fan. Hs.{Lord Ernest Hives - Chair} | ||