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).
Request to manufacture a Spiral silencer unit.
| Identifier | ExFiles\Box 169\4\ img034 | |
| Date | 9th March 1933 | |
| RiC. from Hs{Lord Ernest Hives - Chair}/Lid.{A. J. Lidsey} Hs{Lord Ernest Hives - Chair}/Lid.{A. J. Lidsey}5/KT.9.3.33. Will you please make up one Spiral silencer unit for 1.Per.II. to Hs.{Lord Ernest Hives - Chair}942/3 (attached) Hs{Lord Ernest Hives - Chair}/Lid.{A. J. Lidsey} | ||