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).
Noting the results of experiments on a 'Rapid' Jack and the decision not to recommend it.
| Identifier | ExFiles\Box 76\4\ scan0021 | |
| Date | 12th July 1919 | |
| S/W X 3553 C6/C12.7.19. Re "Rapid" Jack. EH5/LG27619. -------- * We are interested to note the result of your experiments with the "Rapid" Jack, and that according you do not recommend it for our cars. C. | ||