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).
Diagram outlining modifications to the Peregrine brake system.
| Identifier | ExFiles\Box 179b\2\ img070 | |
| Date | 9th November 1932 guessed | |
| MODIFICATIONS TO PEREGRINE BRAKE SYSTEM TO BRING INTO LINE WITH 20/25 .325 CAM 3.5 2.0 1.625 1.625 ALTER TO 1.230 1.875 6.5 3.875 13.150 S 250 4.25 4.25 .625 .625 1.5 ALTER TO 5.000 .325 CAM 2.0 2.750 3.0 ALTER TO 3.140 2.5 3.4 4.8 | ||