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).
Drawing of a Peregrine II fan pulley with an integral damper.
| Identifier | ExFiles\Box 169\4\ img023 | |
| Date | 22th August 1932 guessed | |
| FAN PULLEY INTEGRAL WITH DAMPER PEREGRINE II Les 3149 W/S HS{Lord Ernest Hives - Chair} 689 | ||