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).
Fitting of a strengthened experimental oil cooler to engine unit 35-EX for testing in France.
| Identifier | ExFiles\Box 92\3\ scan0066 | |
| Date | 12th December 1933 | |
| 300a HPS.{Horace Percy Smith - Experimental Factory Mgr} from Rm{William Robotham - Chief Engineer}/Std. Rm{William Robotham - Chief Engineer}/Std1/R.12.12.3 We hand you herewith a strengthened experimental oil cooler - will you please fit this to the engine unit for 35-EX for its forthcoming test in France. This cooler has been tested on the production pressure test to 200 lbs square inch, and is satisfactory. Rm{William Robotham - Chief Engineer}/Std. | ||