From 'Sg.' to 'Hs.' requesting to be kept informed about the results regarding exhaust valves for car and aero engines.
| Identifier | ExFiles\Box 14\6\ Scan174 | |
| Date | 2nd September 1930 | |
| COPY. x) 230 To Hs. {Lord Ernest Hives - Chair} From Sg. {Arthur F. Sidgreaves - MD} Sg {Arthur F. Sidgreaves - MD} 19/E2.9.30. Re. Exhaust Valves - X.4011. Car and Aero Engines. X.4488. X.7230. X.5230. Referring to R1/M13.8.30 I should be glad if you would keep me in touch with results. Sg. {Arthur F. Sidgreaves - MD} | ||
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).