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).
The failure of a headlamp dipper switch's cradle return spring during an endurance test.
| Identifier | ExFiles\Box 167\1\ img174 | |
| Date | 17th August 1937 | |
| To HPS.{Horace Percy Smith - Experimental Factory Mgr} c. c. to RC{R. Childs}/JJ. 6116. Rm{William Robotham - Chief Engineer}/RC.{R. Childs}2/JH.17.8.37. re Headlamp dipper switch No.2 to R.R. Scheme 998. The cradle return spring on the above switch has broken during an endurance test. Will you please instruct for a new spring to be fitted. Rm{William Robotham - Chief Engineer}/RC.{R. Childs} | ||