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).
Secret memo reporting the first test bench run of an engine under light loads.
| Identifier | ExFiles\Box 72\4\ scan0317 | |
| Date | 21th September 1923 | |
| X9771 To R.{Sir Henry Royce} from Hs.{Lord Ernest Hives - Chair} c. to CJ. E.{Mr Elliott - Chief Engineer} A.{Mr Adams} C. - SECRET. We have had the above engine running for the first time on the Test Bench today. So far it has only been run under light loads. Hs.{Lord Ernest Hives - Chair} | ||