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).
The status of ordered dynamo brushes for E.A.C. and Goshawk dynamos.
| Identifier | ExFiles\Box 50\5\ Scan235 | |
| Date | 5th October 1923 | |
| XG 333 To By/Ds. from EFC. EFC7/T5.10.23. X9670 RE DYNAMO BRUSHES. X 4 333 Of the four groups of brushes ordered for E.A.C. and Goshawk dynamos, the following have the coppering:- E.A.C. (Le Carbone) - All Z brushes - main and control. " (Morganite) - HM.{Capt. W. Hallam - Head Repairs}6. - main and control. 20 H.P. (Morganite) - HM.{Capt. W. Hallam - Head Repairs}6. - main and control. " (Le Carbone) - Not yet received. EFC. | ||