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).
Alteration notice for a steam chamber, changing the internal bore angle.
| Identifier | ExFiles\Box 94\3\ scan0021 | |
| Date | 24th September 1935 | |
| BY/CS2/EH.24.9.35., cont'd.{John DeLooze - Company Secretary} (2) Alteration No. 17764/E.{Mr Elliott - Chief Engineer} E.87149DC. Steam Chamber. Angle on internal bore altered from 60° to 40°. REASON. To agree with LeC.4600. Alteration to pattern. BY/CS. | ||