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).
Typed document discussing the initial and final torque required for movement and the lubricant used.
| Identifier | ExFiles\Box 94\1\ scan0209 | |
| Date | 10th October 1935 | |
| -3- Hs{Lord Ernest Hives - Chair}/WB.{Mr Brazier/Mr Bell}3/KW.10.10.35. The initial torque indicates the torque required to start movement, and the final torque that required to continue the motion through 60° approximately. Motorine 'C' oil was used as the lubricant. Hs{Lord Ernest Hives - Chair}/W.Bell. | ||