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).
Failures of experimental dynamo brushes on chassis B-23-AE, requesting they be replaced with the standard type.
| Identifier | ExFiles\Box 166\1\ img105 | |
| Date | 1st August 1937 | |
| To HPS.{Horace Percy Smith - Experimental Factory Mgr} c. to RC{R. Childs}/CAP. 6093 Rm{William Robotham - Chief Engineer}/RC.{R. Childs}9/JH.1.8.37. re Dynamo Brushes on Chassis B-23-AE. Several failures have occured on the dynamo fitted to the above car, due to the brushes sticking in the holders. These brushes are of an experimental grade of material EG.12 which has recently been rejected for other reasons. Will you please arrange to have these brushes removed and a set of the standard type fitted. Rm{William Robotham - Chief Engineer}/RC.{R. Childs} yes | ||