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 manufacture two sets of Bentley V Pivots using 1% chromium steel instead of 3½% nickel steel.
| Identifier | ExFiles\Box 100\1\ scan0258 | |
| Date | 18th July 1939 | |
| HH6 To HPS{Horace Percy Smith - Experimental Factory Mgr}/RH.{R. Hollingworth} Rm{William Robotham - Chief Engineer}/HFP.3/JH.18.7.39. Bentley V Pivots. Will you please make two sets of B.V. Pivots FB.4313 and FB.4314 in 1% chromium steel instead of 3½% nickel steel which is the material in use at the moment. Rm{William Robotham - Chief Engineer}/HFP. | ||