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).
Request to order dynamo brushes from the Morgan Crucible Co. and Le Carbone Co. for the Goshawk dynamo.
| Identifier | ExFiles\Box 50\5\ Scan010 | |
| Date | 10th September 1921 | |
| R.R. 233a (100 T) (S.H. 798, 10-12-20) G.{Mr Griffiths - Chief Accountant / Mr Gnapp} 2948 X 43834 To Wd.{Mr Wood/Mr Whitehead} from EFC. EFC4/T10.9.21. X.4382 3/4 - R.R. GOSHAWK DYNAMO. X 3845 Would you kindly order up from the Morgan Crucible Co. two sets ( 8 brushes) in their E.G.O. quality Morganite and from the Le Carbone Co. two sets (8 brushes) in each of their C.G.3 and grade X quality, all to print D.50301 herewith, these being for the R-R design of dynamo for the "Goshawk". Would you kindly note that the terminal D.50302 will be produced by us and therefore the pig-tail as supplied should be without this piece. EGO Morganite EFC. CG3 Le C. X Le C Z Le C Rec d | ||