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).
Production of three experimental armatures for 40/50 HP machines.
| Identifier | WestWitteringFiles\Q\2April1927-June1927\ 63 | |
| Date | 26th April 1927 | |
| EFC1/T26.4.27. -2- Contd. Shut for this item. Three experimental armatures on the same lines are also now being produced for 40/50 HP. machines. E.F.C. EFC. | ||