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).
From 'E' requesting an experiment to test the 40/50 HP clutch with different lightweight driven members.
| Identifier | ExFiles\Box 181\M11\ img161 | |
| Date | 24th March 1919 | |
| To Mr. DM.{D. Munro} from E.{Mr Elliott - Chief Engineer} Copy to EFC. ORIGINAL X.3523A/B RE 40/50 H.P. CLUTCH. Would you kindly note that Mr. Royce would like an experiment made to test the 40/50 H.P. clutch with a very light steel driven member in sheet metal carrying the cotton fabric, and also a very light aluminium driven member in sheet metal or casting. E.{Mr Elliott - Chief Engineer} [Stamped: RECEIVED] | ||