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).
Inquiry about the progress of tests on modified P.I. and 20 HP exhaust manifolds.
| Identifier | ExFiles\Box 66\2\ scan0342 | |
| Date | 2nd November 1931 | |
| 8230. To Hm.{Capt. W. Hallam - Head Repairs} from Hs{Lord Ernest Hives - Chair}/Lid.{A. J. Lidsey} Hs{Lord Ernest Hives - Chair}/Lid.{A. J. Lidsey}5/KT.2.11.31. X.8230. X.5230. X.4013. MODIFIED EXHAUST MANIFOLDS. Will you please let us know the present position and progress of tests on the modified P.I. and 20 HP. exhaust manifolds which you are testing for us. Hs{Lord Ernest Hives - Chair}/Lid.{A. J. Lidsey} | ||