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).
Phantom contact breaker spring (D.75146) removed from car 33-EX after testing.
| Identifier | ExFiles\Box 61b\1\ scan0208 | |
| Date | 2nd September 1937 | |
| 6118 To By/RD. from Rm{William Robotham - Chief Engineer}/RC.{R. Childs} Rm{William Robotham - Chief Engineer}/RC.{R. Childs}15/MH.{M. Huckerby}2.9.37. Re Phantom Contact breaker spring - D.75146. We send herewith a D.75146 spring removed from 33-EX after 13,137 miles running. This spring has given no trouble, and should meet with your requirements. Rm{William Robotham - Chief Engineer}/RC.{R. Childs} | ||