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).
Testing status of Goshawk dynamo brushes from the Le Carbon Company.
| Identifier | ExFiles\Box 50\5\ Scan134 | |
| Date | 18th September 1922 | |
| X4333 To ROY {Mr H. Royce - Buyer} /Ms. from EFC. {E. Fowler Clarke - Electrical Engineer} EFC {E. Fowler Clarke - Electrical Engineer} 2/T18.9.22. X.4333- GOSHAWKAero EngineCodename for 20HP Car / Aero Engine after KestrelAero Engine DYNAMO BRUSHES Answering your ROY {Mr H. Royce - Buyer} /Ms7/DB {Donald Bastow - Suspensions} 13.9.22 with reference to the call of the representative Mr. F. {Mr Friese} Lawrence, of the Le Carbon Company, we are not yet in a position to report on the Le Carbone brushes of EG30 grade, as owing to the production testing of dynamos which has been occupying our time, we have not yet been able to make the tests, but in the meanwhile the brushes of Z grade are giving every satisfaction. EFC. {E. Fowler Clarke - Electrical Engineer} | ||