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).
The specification for ordering engine rubbers for the 20/25 HP & Bentley engine mounting.
| Identifier | ExFiles\Box 104\1\ scan0254 | |
| Date | 3rd January 1935 | |
| X5005 To Roy{Sir Henry Royce}/Ms. Hs{Lord Ernest Hives - Chair}/Les.21/KW.3.1.35. 20/25 HP. & Bentley Engine Mounting. Re your Roy{Sir Henry Royce}/Ms.10/P.21.12.34. concerning the engine rubbers. We have made enquiries both in the Test Dept. and from Hancock. As no troubles at the moment are experienced you will be able to order further supplies of rubbers to a similar specification. Hs{Lord Ernest Hives - Chair}/Les.{Ivan A. Leslie} | ||