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).
Continued letter providing instructions on using brushes and mentioning standard Z brushes.
| Identifier | ExFiles\Box 53\3\ Scan235 | |
| Date | 10th July 1923 | |
| EFC1/T. 10.7.23. -2- Contd. We suggest that if you use these brushes, at least half of the pigtail flexible should be cut away at the brush. Our present standard Z brushes have, of course, smaller flexibles and smaller diameter beads. Yours faithfully, [Faint Stamp Text] ORIGINAL 1804 MADE AT CROXLEY 4 brushes enclosed. | ||