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).
The initial satisfactory testing of 2-stage Jacks fitted to a Ph.II, with further testing planned.
| Identifier | ExFiles\Box 139\2\ scan0155 | |
| Date | 21th November 1934 | |
| -2- Hs{Lord Ernest Hives - Chair}/Bwg.{J. C. Bowring}5/KW.21.11.34. Reverting to the 2-stage Jacks fitted last week to our Ph.II. So far these seem satisfactory, but we will report to you when they have had further testing. Yours faithfully, FOR ROLLS-ROYCE LIMITED. | ||