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).
Experimental Department rig test results for production supplies of Steering Rollers FW.905.
| Identifier | ExFiles\Box 153\1\ scan0239 | |
| Date | 3rd April 1939 | |
| 3.4.39. Results of Exp. Dept. Rig Tests on Production Supplies of Steering Rollers FW.905. 15 Rollers fetched by L.A. from Hoffmanns on 31/3/39. 4 Failed on 100% overload 0 Passed " " 2 Failed on 50% " 9 Passed " " Previous Production stock. 12 Failed on 100% overload 3 Passed " " 15 Failed " 50% " 8 Passed " " Rm{William Robotham - Chief Engineer}/FJH.{Fred J. Hardy - Chief Dev. Engineer} | ||