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).
Short memo confirming the availability of a demonstration regarding 'Jacks'.
| Identifier | ExFiles\Box 140\2\ scan0165 | |
| Date | 25th March 1939 | |
| 116B S/W Rm{William Robotham - Chief Engineer}/GRY{Shadwell Grylls} C3/C25.3.39 Re JACKS. Rm{William Robotham - Chief Engineer}/Gry{Shadwell Grylls}10/MH{M. Huckerby}23.3.39 ----- I note that 2G.G. will be available to show the principle on Monday morning at 11.30, and we shall be pleased to see this. C. | ||