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).
Blueprint diagram illustrating brake gear complications with the Wraith gearbox.
| Identifier | ExFiles\Box 99\4\ scan0182 | |
| Date | 24th January 1939 guessed | |
| BRAKE GEAR COMPLICATIONS DUE TO WRAITH GEAR BOX F.B.EQUALISER BV BRAKE MECH WITH WRAITH GEAR BOX F.B.EQUALISER BV BRAKE MECHANISM | ||