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 showing the design of a typical A.C. silencer for a 5-litre car.
| Identifier | ExFiles\Box 102\1\ scan0102 | |
| Date | 2nd January 1933 guessed | |
| Hs{Lord Ernest Hives - Chair} 783 TYPICAL A.C. SILENCER 5 LITRE CAR SEC: HS.{Lord Ernest Hives - Chair}782. | ||