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 for a friction plate for a Peregrine servo.
| Identifier | ExFiles\Box 169\4\ img252 | |
| Date | 22th March 1933 guessed | |
| Hs{Lord Ernest Hives - Chair} ALTERNATE SEGMENTS TO BE STAGGERED .015 -2 WID .320 3.750 DIA C.T.S. .062 SAW CUT 90° OTHER DIMENSIONS TO G 100584 MATERIAL - SAW STEEL FRICTION PLATE - PEREGRINE SERVO .062 .025 RAD .450 | ||