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).
Extract concerning an earthed wiring scheme and obtaining dynamo brushes.
| Identifier | ExFiles\Box 157\5\ scan0017 | |
| Date | 3rd September 1920 | |
| X3926 Extract from EFC2/T3.9.20. X.3659. EARTHED WIRING SCHEME. X.3923.b. ------ ---------------------- --------- X.3926. I am obtaining some Le Carbone brushes for the R.R. dynamo. | ||