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).
Testing of experimental car 19-EX fitted with a new type of engine.
| Identifier | ExFiles\Box 18\3\ Scan257 | |
| Date | 24th July 1931 | |
| 87960. PN.{Mr Northey} From Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer} Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer}6/MJ.24.7.31. 19-EX. is at present being used by Aero Sales. We have been using their car for Experimental work and this will be ready on Saturday noon. We therefore suggest that you run 19-EX. which is fitted with the latest type of engine and we are particularly interested in the silence of the pistons, freedom from knocks etc. starting up from cold. Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer} | ||