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).
Revised winding diagram and control brush for the Goshawk II dynamo design.
| Identifier | ExFiles\Box 51\1\ Scan068 | |
| Date | 3rd May 1922 | |
| X.4353 BY/Ds7/H.{Arthur M. Hanbury - Head Complaints} 3. 5. 22. EFC. GOSHAWK II. RR DESIGN OF DYNAMO. Please receive herewith revised print of D.50026 Winding Diagram for the above Dynamo, which has been revised in accordance with our alteration No.626/D, with Thinner Control brush, as requested by you, also one print of D.50736. Control Brush. BY/Ds. | ||