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).
Agreeing to the width of the control brush on the Goshawk dynamo.
| Identifier | ExFiles\Box 51\1\ Scan070 | |
| Date | 30th May 1922 | |
| y4383 To By.{R.W. Bailey - Chief Engineer} from EFC. c. By/Ds. EFC1/T30:5.22. 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. | ||