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).
Requesting a replacement dynamo with a mica supported commutator for a No.4 Goshawk engine.
| Identifier | WestWitteringFiles\I\July1922\ Scan1 | |
| Date | 3rd July 1922 | |
| R.R. 235s (100 T) (S.H. 79s. 10-12-20) G.{Mr Griffiths - Chief Accountant / Mr Gnapp} 2948 ORIGINAL. URGENT. To Hs.{Lord Ernest Hives - Chair} from R.{Sir Henry Royce} R2/M1. 7. 22. X4383. The commutator of which failed. I have received No.4.Goshawk without the dynamo, Will you please at the earliest possible moment send me this machine or another similar one with a mica supported commutator. R.{Sir Henry Royce} JHR RECEIVED Hs{Lord Ernest Hives - Chair} JUL 3 1922 | ||