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).
Test report on a welded rear crossmember for the Wraith Bumper Chassis after a 50-hour run.
| Identifier | ExFiles\Box 119\1\ scan0033 | |
| Date | 19th May 1937 | |
| from HPS{Horace Percy Smith - Experimental Factory Mgr}/RH.{R. Hollingworth} c. to Rm.{William Robotham - Chief Engineer} 1023 HPS{Horace Percy Smith - Experimental Factory Mgr}/RH.{R. Hollingworth}2/VS.{J. Vickers}19.5.37. SECRET. WRAITH BUMPER CHASSIS. WELDED REAR CROSSMEMBER TO LeC.5502. The above Rear Crossmember has been run on the Bumper Chassis 50 hours, after which it was crack tested and found to be free from cracks. HPS{Horace Percy Smith - Experimental Factory Mgr}/R.{Sir Henry Royce} Hollingworth. | ||