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).
Specifications for dynamo brushes and battery box.
| Identifier | ExFiles\Box 83\1\ scan0304 | |
| Date | 20th November 1936 | |
| -4- Rm{William Robotham - Chief Engineer}/Gry.{Shadwell Grylls}14/AP.20.11.36. 10. Dynamo brushes grade Le-Carbone EG.3397. 11. Battery box without lead coating supplied by Rm{William Robotham - Chief Engineer}/Wst. Rm{William Robotham - Chief Engineer}/Gry.{Shadwell Grylls} | ||