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).
Request to run an endurance test on valve springs using a test bed unit.
| Identifier | ExFiles\Box 56\2\ Scan121 | |
| Date | 6th August 1932 | |
| Hs{Lord Ernest Hives - Chair}/TS. from Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer} X290. Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer}9/AM 6.8.32. 565 Will you please arrange to run valve springs No.Hs.{Lord Ernest Hives - Chair}664/on your test bed unit. These appeared to be satisfactory on the road and want some endurance running. LeC. 3136. Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer} | ||