Order for various grades of 20 HP dynamo brushes.
| Identifier | ExFiles\Box 50\5\ Scan214 | |
| Date | 31th August 1923 | |
| X.4333 To We/ME. C. EFC. {E. Fowler Clarke - Electrical Engineer} BY {R.W. Bailey - Chief Engineer} /Del/M.31.8.23. X.4383 - 20 H.P. DYNAMO BRUSHES. Would you kindly order up 2 sets of brushes comprising the following - 8 main brushes D.51101, 4 control brushes D.51102, in each of the following grades:- From the Morganite Co. - (1) E.G.2. (2) E.G.O. (3) C.M.5. (4) H.M.6. From Le Carbone Co. - (1) { E.G.30 Main Brushes. { E.G.60 Control Brushes. (2) C.G.2. (3) L.F.C.3.B. Also from Le Carbones - 6 sets comprising 24 Main Brushes D.51101 and 12 Control " D.51102. in their Z. Grade. To make it quite clear, the main brushes and control brushes are of the same quality except in the case of the E.G.30 Main Brushes and E.G.60 Control Brushes. The Brushes from Le Carbones should have the flexibles insulated with beads not exceeding .187 diameter, and in the case of the Morganite, with their standard spiral fibre. These should be handed to EFC. {E. Fowler Clarke - Electrical Engineer} on arrival for his use. BY {R.W. Bailey - Chief Engineer} /Ds. | ||
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).