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).
Page discussing a jack unfolding at high speed and the necessity of an external clip.
| Identifier | ExFiles\Box 26\3\ Scan259 | |
| Date | 20th September 1933 guessed | |
| -2- that the owner will find further trouble, although one can quite imagine that once having had a jack of this type unfold itself whilst running at high speed, a person would be nervous of a recurrence. I do not think that any external clip should be necessary. PN.{Mr Northey} | ||