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).
Copy of a telegram sent to 'R' detailing specifications for various types of brushes.
| Identifier | ExFiles\Box 61b\3\ scan0058 | |
| Date | 5th April 1919 | |
| x.543. 86027. COPY OF TELEGRAM SENT TO R.{Sir Henry Royce} 5.4.19. Lucas aero two soft brushes C.A.V. two medium Bosch four soft Bijur four hard average ampere density five hundred maximum power (stop) R.R. four medium density one fifty full particulars despatched. CLARK. | ||