From R. to H.S. querying a design change and material selection for the 20 HP Rear Axle.
| Identifier | ExFiles\Box 49\2\ Scan180 | |
| Date | 12th December 1923 | |
| X.4256. To HS. {Lord Ernest Hives - Chair} from R. {Sir Henry Royce} 6 R1/M1.12.23. 20 HP. REAR AXLE. X.4256 Referring to Hs {Lord Ernest Hives - Chair} 4/LG26.11.23., please ask if this design is the old standard, or altered to the suggestions from here - i.e. length etc. Is the air hardened steel equally good for wear? R. {Sir Henry Royce} | ||
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).