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).
Page regarding the standardization of brushes for second string purposes.
| Identifier | ExFiles\Box 50\5\ Scan384 | |
| Date | 29th October 1925 | |
| Contd. -2- EFCR/T29.10.25. Will By therefore, kindly note that brushes in this material may now be considered as standardised for second string purposes. E/C. | ||