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).
Confirming the agreed width of the control brush for the Goshawk dynamo.
| Identifier | ExFiles\Box 50\5\ Scan071 | |
| Date | 1st May 1922 | |
| X4333 To By.{R.W. Bailey - Chief Engineer} from EFC. c. By/Ds. EFC1/T30:5.22. MADE AT CROXLEY X.4383 - GOSHAWK DYNAMO CONTROL BRUSH. X.4333. Answering your pencil note, please note we agree for the width of the control brush on the Goshawk dynamo to be .200", as detailed on the LeC. EFC. | ||