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 Mr. Cooper at the Alum Foundry to cast two B.V. torque arms in R.R. 50 material.
| Identifier | ExFiles\Box 100\1\ scan0252 | |
| Date | 30th June 1939 | |
| HH6? To Mr. Cooper. (Alum Foundry) Rm{William Robotham - Chief Engineer}/HFP.8/JH.30.6.39. B.V. Torque arms. Will you please cast two torque arms in R.R. 50 from the model which has been left with you. We should like these castings in the fully heat-treated condition. Rm{William Robotham - Chief Engineer}/HFP. | ||