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).
Requesting a comparison of a new exhaust system following tests.
| Identifier | ExFiles\Box 66\2\ scan0075 | |
| Date | 7th September 1925 | |
| X8230 BJ5/DN7.9.25. TO Hs{Lord Ernest Hives - Chair} FROM BJ EXHAUST NOISE - 103-MC. With reference to Hs{Lord Ernest Hives - Chair}2/LG3.9.25 - last paragraph - you will doubtless be letting me have the comparisons at the same time as you try the new exhaust, which I believe you were doing over the week-end. B.J. | ||